id stringlengths 7 11 | source stringclasses 1
value | category stringclasses 11
values | title stringlengths 15 214 | text stringlengths 70 30.5k | url stringlengths 57 160 | tags stringlengths 3 113 | created_at int64 1.22B 1.79B |
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se_72747814 | stackoverflow | DATA_SCIENCE | Building a Production-grade Data Science environment at home - Questions around orchestration | Building a Production-grade Data Science environment at home - Questions around orchestration
I hope you can help me here. I am working on creating a small environment at home for Data Science. I am having trouble understanding how to create the orchestration layer properly (I am also not convinced that the other comp... | https://stackoverflow.com/questions/72747814/building-a-production-grade-data-science-environment-at-home-questions-around | docker, data-science, apache-nifi, production-environment, data-oriented-design | 1,656,093,736 |
se_72105705 | stackoverflow | DATA_SCIENCE | Using input to filter parsed csv through Dictreader | Using input to filter parsed csv through Dictreader
I am new to python and my objective is to create a basic script capable of filtering a csv database through user input.
I searched through various posts and answers and came up with this code that doesn't give the desired responses for some reason, can somebody tell ... | https://stackoverflow.com/questions/72105705/using-input-to-filter-parsed-csv-through-dictreader | python, csv, dictionary, data-science | 1,651,613,721 |
se_74861755 | stackoverflow | DATA_SCIENCE | How to get PDF structure in xml format | How to get PDF structure in xml format
Below is my code, where I am converting pdf to xml format.
But this gives me xml formated file only if I used XFA-PDF(pdf form) formated pdf.
I need to convert any type of pdf to xml format and xml contain information about text value, tables, images, objects/drawings and their x... | https://stackoverflow.com/questions/74861755/how-to-get-pdf-structure-in-xml-format | python, python-3.x, xml, pdf, data-science | 1,671,532,710 |
se_74923958 | stackoverflow | DATA_SCIENCE | The truth value of an array with more than one element is ambiguous. Use a.any() or a.all() | The truth value of an array with more than one element is ambiguous. Use a.any() or a.all()
I got this error
The truth value of an array with more than one element is ambiguous. Use a.any() or a.all()
Let be x an array of continuous numerical values between 0 and 10
dts1['NewCol'] = np.apply_along_axis(getbool,axis=0... | https://stackoverflow.com/questions/74923958/the-truth-value-of-an-array-with-more-than-one-element-is-ambiguous-use-a-any | pandas, data-science, data-analysis, exploratory-data-analysis | 1,672,088,592 |
se_74920203 | stackoverflow | DATA_SCIENCE | Invalid classes inferred from unique values of `y`. Expected: [0 1], got ['N' 'Y'] | Invalid classes inferred from unique values of `y`. Expected: [0 1], got ['N' 'Y']
Invalid classes inferred from unique values of `y`. Expected: [0 1], got ['N' 'Y']
anyone can help me out with this problem it is Xgboost problem i solve this with label encoding but for further steps i face problems | https://stackoverflow.com/questions/74920203/invalid-classes-inferred-from-unique-values-of-y-expected-0-1-got-n-y | data-science | 1,672,057,074 |
se_74877847 | stackoverflow | DATA_SCIENCE | Tokenize Review wise for sentiment analysis | Tokenize Review wise for sentiment analysis
In this Amazon dataset I've Product_Description , Product_Type & Sentiment column where I want to build classification model. keeping Product_Description & Product_Type as X and Sentiment as Y. but i receive few error still not able to find the solution. I want the sentence ... | https://stackoverflow.com/questions/74877847/tokenize-review-wise-for-sentiment-analysis | nlp, data-science, sentiment-analysis, text-classification, tfidfvectorizer | 1,671,634,341 |
se_74910517 | stackoverflow | DATA_SCIENCE | Unable to understand graph data in R language | Unable to understand graph data in R language
I was working on a task where I'm required to find if there is increase in price while increase in number of rooms. I've used ggplot2 and geom_point.
But I'm unable to understand is there any increment. Could any one help to make me understand this graph please. Or is ther... | https://stackoverflow.com/questions/74910517/unable-to-understand-graph-data-in-r-language | r, ggplot2, graph, data-science, geom-point | 1,671,918,946 |
se_74863870 | stackoverflow | DATA_SCIENCE | Inconsistency between decision_function and predict methods in OvO SVC in Scikit learn package | Inconsistency between decision_function and predict methods in OvO SVC in Scikit learn package
I have observed that there are differences in the implementation of the decision_function and the predict methods the one versus one multi class implementation of SVC in the sci-kit learn package. Is there a way to align thi... | https://stackoverflow.com/questions/74863870/inconsistency-between-decision-function-and-predict-methods-in-ovo-svc-in-scikit | python, scikit-learn, data-science, svm | 1,671,543,052 |
se_74908128 | stackoverflow | DATA_SCIENCE | When to use line=r and line=45 in qqplot | When to use line=r and line=45 in qqplot
Can anyone tell me when do we use line='r'??
sm.qqplot(df['Delivery_time'], line='r')
and when do we use line=45?
sm.qqplot(df['Delivery_time'], line='45') | https://stackoverflow.com/questions/74908128/when-to-use-line-r-and-line-45-in-qqplot | python, data-science, statsmodels | 1,671,890,378 |
se_74908952 | stackoverflow | DATA_SCIENCE | Pandas calculating time deltas from index | Pandas calculating time deltas from index
I have a months time series data that I am trying calculate total hours, minutes, seconds in the dataset as well as for a unique Boolean column for when the column is True or a 1. And for some reason I am doing something wrong where the total time calculations don't appear cor... | https://stackoverflow.com/questions/74908952/pandas-calculating-time-deltas-from-index | python, pandas, data-science, data-wrangling, data-scrubbing | 1,671,899,492 |
se_74903336 | stackoverflow | DATA_SCIENCE | i have a simple Error from my k-fold cross validation code for a logistic regression model Python | i have a simple Error from my k-fold cross validation code for a logistic regression model Python
i have this error below from my code for a K-Fold cross validation
"None of [Int64Index([ 0, 1, 3, 4, 5, 6, 7,\n 8, 9, 10,\n ...\n ... | https://stackoverflow.com/questions/74903336/i-have-a-simple-error-from-my-k-fold-cross-validation-code-for-a-logistic-regres | python, machine-learning, statistics, data-science, google-colaboratory | 1,671,823,452 |
se_74906232 | stackoverflow | DATA_SCIENCE | Found array with 0 sample(s) (shape=(0, 1)) while a minimum of 1 is required | Found array with 0 sample(s) (shape=(0, 1)) while a minimum of 1 is required
This error keeps coming when I try to find MI values. My code is as follows
X_new = X.copy()
X_new = X_new.fillna(0)
y = data.SalePrice
def make_mi_scores(X, y):
X = X.copy()
for colname in X.select_dtypes(["object", "category"]):
... | https://stackoverflow.com/questions/74906232/found-array-with-0-samples-shape-0-1-while-a-minimum-of-1-is-required | python, machine-learning, scikit-learn, data-science, kaggle | 1,671,867,564 |
se_74902506 | stackoverflow | DATA_SCIENCE | Fine tuning a BERT Model as a chatbot giving error while training | Fine tuning a BERT Model as a chatbot giving error while training
I have been trying to fine tune a BERT model to give response sentences like a character based on input sentences but I am getting a rather odd error every time . the code is
`
Here sourcetexts is a list of sentences that give the context and target_tex... | https://stackoverflow.com/questions/74902506/fine-tuning-a-bert-model-as-a-chatbot-giving-error-while-training | machine-learning, deep-learning, nlp, data-science, fine-tuning | 1,671,817,166 |
se_74901614 | stackoverflow | DATA_SCIENCE | Calculate percentile with column values | Calculate percentile with column values
first of all, in case I comment on any mistakes while writing this, sorry, English is not my first language.
So I started to study data science and data visualization in sports with Python just for hobby, I'm a really begginer on this. I want to calculate the percentile of each ... | https://stackoverflow.com/questions/74901614/calculate-percentile-with-column-values | python, pandas, math, statistics, data-science | 1,671,811,160 |
se_74866878 | stackoverflow | DATA_SCIENCE | KeyError: 'Filter' (receiving specific data from dataframe) | KeyError: 'Filter' (receiving specific data from dataframe)
So, the order is "Ask the user to enter the name of the object for which he/she wants to receive data and the names of the filters,
data in which you need (it is possible to introduce several filters)."
this is my data:
Object
HJD 24...
Filter
Mag... | https://stackoverflow.com/questions/74866878/keyerror-filter-receiving-specific-data-from-dataframe | python, pandas, dataset, data-science, src | 1,671,557,983 |
se_34839318 | stackoverflow | DATA_SCIENCE | Clustering nominal data | Clustering nominal data
I am trying to apply a clustering algorithm to my data set.
My data set is of movies, and some of the attributes are nominal.
for example:
movie 1:
[
IMDB popularity: 1.02
Genre: Drama
Sub-genre: Horror
Rating: 1.23%
]
movie 2:
[
IMDB popularity: 2.08
Genre: Comedy
Sub-genre: Animation
Rating... | https://stackoverflow.com/questions/34839318/clustering-nominal-data | algorithm, data-science, cluster-analysis, nominal-data | 1,453,040,091 |
se_74875388 | stackoverflow | DATA_SCIENCE | How do I extract the text of a single page with PyPDF2? | How do I extract the text of a single page with PyPDF2?
I have a document library which consists of several hundred PDF Documents. I am attempting to export the first page of each PDF document. Below is my script which extracts the page. It saves each page as an individual PDF. However, the files which are exported se... | https://stackoverflow.com/questions/74875388/how-do-i-extract-the-text-of-a-single-page-with-pypdf2 | python, data-science, text-mining, pypdf | 1,671,622,156 |
se_74896493 | stackoverflow | DATA_SCIENCE | Python - Printing multiple arrays of randomly sampled elements from an original array | Python - Printing multiple arrays of randomly sampled elements from an original array
I have an original array in python : t_array
t_array=(['META' , 'AAPL' , 'AMZN' , 'NFLX' , 'GOOG' ])
sample = random.sample (t_array, 3)
print=( 'sample')
and got this :
['AAPL', 'AMZN', 'META']
Now when I run the (1) code again t... | https://stackoverflow.com/questions/74896493/python-printing-multiple-arrays-of-randomly-sampled-elements-from-an-original | python, pandas, data-science | 1,671,774,166 |
se_73509591 | stackoverflow | DATA_SCIENCE | How to split one excel into multiple excel with common number of rows distribution across all the new excel using Python? | How to split one excel into multiple excel with common number of rows distribution across all the new excel using Python?
I have one excel with large data. I want to split this excel into multiple excel with equal distribution of rows.
My current code is working partially as it is distributing required number of rows ... | https://stackoverflow.com/questions/73509591/how-to-split-one-excel-into-multiple-excel-with-common-number-of-rows-distributi | python, excel, pandas, dataframe, data-science | 1,661,590,486 |
se_74894560 | stackoverflow | DATA_SCIENCE | Simple linear regressions vs multiple linear regression model scaling | Simple linear regressions vs multiple linear regression model scaling
I read somewhere suggesting that in case there are multiple features(multi linear model) no feature scaling is needed because co-efficient takes care of that.
But for single feature(simple linear model); feature scaling is needed.
Is this how python... | https://stackoverflow.com/questions/74894560/simple-linear-regressions-vs-multiple-linear-regression-model-scaling | python-3.x, machine-learning, data-science | 1,671,749,056 |
se_74893906 | stackoverflow | DATA_SCIENCE | pandas nested dict to flat dataframe | pandas nested dict to flat dataframe
I have a dict:
d = {12 : [8,2,3,4]
15 : [6,1,9,2]}
I want to transform it to a flat dataframe:
df = val 0 1 2 3
12 8 2 3 4
15 6 1 9 2
How can I do this? | https://stackoverflow.com/questions/74893906/pandas-nested-dict-to-flat-dataframe | python, pandas, dataframe, data-science | 1,671,743,586 |
se_74892132 | stackoverflow | DATA_SCIENCE | How to convert tibble data with various classes from long to wide format problem using ONLY base R package? | How to convert tibble data with various classes from long to wide format problem using ONLY base R package?
I am trying to convert my dataset from long to wide format only using base R packages and dplyr only due to university's project requirements. I have tried to use reshape function, but I have encountered problem... | https://stackoverflow.com/questions/74892132/how-to-convert-tibble-data-with-various-classes-from-long-to-wide-format-problem | r, data-science, reshape, tibble | 1,671,731,369 |
se_74887601 | stackoverflow | DATA_SCIENCE | How to transform this plot in a right subplot? | How to transform this plot in a right subplot?
I have to plot this by subplots, I have 4 features and i want to have 2 rows and 2 columns, how can i do that?
cat_features = ['Gender', 'Customer Type', 'Type of Travel', 'Class', 'satisfaction']
f, axs = plt.subplots(2, len(cat_features[:-1]), figsize=(10, 4))
for ax, ... | https://stackoverflow.com/questions/74887601/how-to-transform-this-plot-in-a-right-subplot | python, matplotlib, seaborn, data-science, visualization | 1,671,707,181 |
se_74888969 | stackoverflow | DATA_SCIENCE | How to convert an ONNX model with dynamic input shape to Tensorflow model? | How to convert an ONNX model with dynamic input shape to Tensorflow model?
I am trying to convert an ONNX model with a dynamic input shape to TensorFlow format using the onnx_tf package. I am using TensorFlow 2.11.0, ONNX 1.13.0, and onnx_tf 1.10.0. The input to the model contains 3 arrays: the data with dynamic shape... | https://stackoverflow.com/questions/74888969/how-to-convert-an-onnx-model-with-dynamic-input-shape-to-tensorflow-model | python, tensorflow, data-science, onnx | 1,671,714,501 |
se_61742943 | stackoverflow | DATA_SCIENCE | Is there any dataset available for similar posts recommendation like Facebook, Instagram and Twitter? | Is there any dataset available for similar posts recommendation like Facebook, Instagram and Twitter?
I want to build a similar post recommendation system that a user sees after performing some activity on the news feed. For example: If he/she spends more time on sports posts, giving him/her sports recommended post so... | https://stackoverflow.com/questions/61742943/is-there-any-dataset-available-for-similar-posts-recommendation-like-facebook-i | dataset, artificial-intelligence, data-science, recommendation-engine, kaggle | 1,589,251,897 |
se_74885479 | stackoverflow | DATA_SCIENCE | Combining certain columns from three excel files in one pandas DF based on the column number-Using python pandas | Combining certain columns from three excel files in one pandas DF based on the column number-Using python pandas
I have three excel files that was read to pandas DFs, the tables are below :
DF1:
Column A
Column B
F
G
M
K
DF2:
Column A
Column B
J
D
N
L
DF3:
Column A
Column B
Column C
... | https://stackoverflow.com/questions/74885479/combining-certain-columns-from-three-excel-files-in-one-pandas-df-based-on-the-c | python, pandas, dataframe, data-science | 1,671,695,163 |
se_74867704 | stackoverflow | DATA_SCIENCE | sklearn: print DecisionTreeRegressor's tree from IterativeImputer | sklearn: print DecisionTreeRegressor's tree from IterativeImputer
I have an IterativeImputer that uses DecisionTreeRegressor as estimator and I want to print it's tree with export_text method:
import pandas as pd
from sklearn import tree
from sklearn.experimental import enable_iterative_imputer # noqa
from sklear... | https://stackoverflow.com/questions/74867704/sklearn-print-decisiontreeregressors-tree-from-iterativeimputer | python, machine-learning, scikit-learn, data-science | 1,671,562,702 |
se_74872071 | stackoverflow | DATA_SCIENCE | Best Approaches to summarize or aggregate multiple rows to single row for Machine learning model creation | Best Approaches to summarize or aggregate multiple rows to single row for Machine learning model creation
Creating a ML model for predictive maintenance .
table A contains log information with start time , end time and event status.
table A
Id
startTime
endTime
event
100
7/1/2021 1:05:04
7/1/2021 1:06:04
OS
... | https://stackoverflow.com/questions/74872071/best-approaches-to-summarize-or-aggregate-multiple-rows-to-single-row-for-machin | machine-learning, data-science, aggregate, data-analysis | 1,671,604,140 |
se_74861827 | stackoverflow | DATA_SCIENCE | ValueError: Found input variables with inconsistent numbers of samples: [29100, 27300] | ValueError: Found input variables with inconsistent numbers of samples: [29100, 27300]
The dataset is from a survey about 91 art pieces from 300 people. The first 91 columns are the preference ratings for each painting scored 1-7. The 91 columns after that are their ratings for the “energy” of the painting. Additional... | https://stackoverflow.com/questions/74861827/valueerror-found-input-variables-with-inconsistent-numbers-of-samples-29100 | python, regression, data-science, linear-regression | 1,671,532,993 |
se_74867521 | stackoverflow | DATA_SCIENCE | R AOV giving different p-values compared to graphpad prism? | R AOV giving different p-values compared to graphpad prism?
I'm running an ANOVA in R using aov, so I can analyze a lot of data at once. I've picked out a few samples to ensure accuracy, and my prism p-values are different than the ones I'm getting in R. My ANOVA in prism is not repeated measures.
I saw this question:... | https://stackoverflow.com/questions/74867521/r-aov-giving-different-p-values-compared-to-graphpad-prism | r, statistics, data-science, anova | 1,671,561,515 |
se_74867083 | stackoverflow | DATA_SCIENCE | How to generate 2D random dataset for PCA | How to generate 2D random dataset for PCA
I'm getting started on my ML journey. I'm using the data science handbook to learn about PCA. The following code snippet is used to generate a random 2D data set with a linear relationship. Could someone explain the intuition of how multiplying a 2x2 and 2x200 random matrices ... | https://stackoverflow.com/questions/74867083/how-to-generate-2d-random-dataset-for-pca | machine-learning, data-science | 1,671,559,075 |
se_74862462 | stackoverflow | DATA_SCIENCE | TfidfVectorizer it does not eliminate words that occur more than once | TfidfVectorizer it does not eliminate words that occur more than once
I have a dataset that I'm trying to cluster into. Although I set min_df and max_df in the Tfidf, the output MiniBatchKmeans returns to me contains words that according to the documentation Vectorizer should eliminate because they are present in at l... | https://stackoverflow.com/questions/74862462/tfidfvectorizer-it-does-not-eliminate-words-that-occur-more-than-once | scikit-learn, data-science, k-means, tfidfvectorizer | 1,671,536,036 |
se_74433774 | stackoverflow | DATA_SCIENCE | Receive " No changes, no records " when creating relationship between 2 nodes | Receive " No changes, no records " when creating relationship between 2 nodes
I'm trying to create a relationship between Client and Client Doctor, so here is what i've done:
I tried this first then got "no changes, no records" notice
LOAD CSV WITH HEADERS FROM "file:///Consultation.csv" AS row
MATCH (c:Clie... | https://stackoverflow.com/questions/74433774/receive-no-changes-no-records-when-creating-relationship-between-2-nodes | database, neo4j, data-science | 1,668,438,404 |
se_71686545 | stackoverflow | DATA_SCIENCE | How can I generate matplotlib graphs faster | How can I generate matplotlib graphs faster
I am currently doing an experiment with perlin noise, but generating this noise uses a series of plotted markers. Like, a bunch of them, and i need to render a lot of graphs, rendering just 20 takes around 15 minutes. Is there any way to speed up my code?
import matplotlib.p... | https://stackoverflow.com/questions/71686545/how-can-i-generate-matplotlib-graphs-faster | python, numpy, matplotlib, data-science, perlin-noise | 1,648,697,154 |
se_74799089 | stackoverflow | DATA_SCIENCE | What can be the reasons for 95% of samples belong to one cluster when there are 5 clusters? | What can be the reasons for 95% of samples belong to one cluster when there are 5 clusters?
I used the k-means algorithm to clustering set of documents which are textual data only.
The number of documents are 2lack records
Surprisingly the result for the clustering is
95% of records is storing in 1 cluster, remaining ... | https://stackoverflow.com/questions/74799089/what-can-be-the-reasons-for-95-of-samples-belong-to-one-cluster-when-there-are | python, machine-learning, scikit-learn, data-science, k-means | 1,671,024,881 |
se_74821265 | stackoverflow | DATA_SCIENCE | Can anyone know how to see the data in a cluster after doing k-means clustering? | Can anyone know how to see the data in a cluster after doing k-means clustering?
Is there any code to see or view the data in a cluster after doing k-means clustering in python,
so that i can know which type of data clustered into which cluster and why.
help me with this ?
The cluster file is in .File extension, so I ... | https://stackoverflow.com/questions/74821265/can-anyone-know-how-to-see-the-data-in-a-cluster-after-doing-k-means-clustering | python, machine-learning, scikit-learn, data-science, k-means | 1,671,175,052 |
se_74853435 | stackoverflow | DATA_SCIENCE | What's the range of RMSE? Is there a maximum value? | What's the range of RMSE? Is there a maximum value?
What is the range of RMSE during a evaluation model? I know that close to 0 is better, but tis there a maximum value for this? I can't find the answer... If I have a 52 RMSE how can I say if it's a good result? | https://stackoverflow.com/questions/74853435/whats-the-range-of-rmse-is-there-a-maximum-value | machine-learning, model, regression, data-science, metrics | 1,671,468,146 |
se_67718639 | stackoverflow | DATA_SCIENCE | How to reverse-construct confusion matrix form evaluation metrics values? | How to reverse-construct confusion matrix form evaluation metrics values?
We get statistics of evaluation metrics (like precision, recall, accuracy, etc.) from the confusion matrix.
Is there any way to reverse the process?
In a binary classification problem, I have results of the evaluation metrics: Precision, Recall,... | https://stackoverflow.com/questions/67718639/how-to-reverse-construct-confusion-matrix-form-evaluation-metrics-values | machine-learning, classification, data-science, reverse-engineering, confusion-matrix | 1,622,104,786 |
se_74844395 | stackoverflow | DATA_SCIENCE | matplotlib's ion() does not make any difference | matplotlib's ion() does not make any difference
To test the matplotlib's interactive mode, I used the following two code snippets:
Snippet 1: Has plt.ion() with no call to fig.canvas.draw():
import numpy as np
import matplotlib.pyplot as plt
x = np.array([])
y_1 = np.array([])
y_2 = np.array([])
plt.ion()
fig =... | https://stackoverflow.com/questions/74844395/matplotlibs-ion-does-not-make-any-difference | python, matplotlib, data-science, matplotlib-animation, matplotlib-ion | 1,671,397,280 |
se_74793086 | stackoverflow | DATA_SCIENCE | Building a basic prediction model with the output being the sum of the two inputs but accuracy score is significantly low | Building a basic prediction model with the output being the sum of the two inputs but accuracy score is significantly low
I have a csv of size 12500 X 3. The first two columns (A and B) are inputs and the the final column (C) is the sum of the two columns.
I wanted to build a prediction model to get the value of C fo... | https://stackoverflow.com/questions/74793086/building-a-basic-prediction-model-with-the-output-being-the-sum-of-the-two-input | python, machine-learning, data-science | 1,670,986,274 |
se_74843126 | stackoverflow | DATA_SCIENCE | Recursion error: Dataprep function not working post cleaning data | Recursion error: Dataprep function not working post cleaning data
Using dataprep API and I am getting a recursion error when I use the dataprep functions in Google Colab. Oddly it works fine on 144 features of uncleaned data. But once reduced to 20 features and clean the missing values, I get a recursion error
Code:
d... | https://stackoverflow.com/questions/74843126/recursion-error-dataprep-function-not-working-post-cleaning-data | python, jupyter-notebook, data-science, data-preprocessing | 1,671,383,391 |
se_39174005 | stackoverflow | DATA_SCIENCE | Faster AUC in sklearn or python | Faster AUC in sklearn or python
I have over half a million pairs of true labels and predicted scores (the length of each 1d array varies and can be between 10,000-30,000 in length) that I need to calculate the AUC for. Right now, I have a for-loop that calls:
# Simple Example with two pairs of true/predicted values i... | https://stackoverflow.com/questions/39174005/faster-auc-in-sklearn-or-python | python, scikit-learn, data-science, auc | 1,472,242,237 |
se_74835341 | stackoverflow | DATA_SCIENCE | pandas datareader should get stock market data but returns error | pandas datareader should get stock market data but returns error
Here is the code:
import pandas as pd
import pandas_datareader.data as web
import matplotlib.pyplot as plt
start_date = "2020-01-01"
end_date = "2020-12-31"
data = web.DataReader(name="TSLA", data_source='yahoo', start=start_date, end=end_date)
print(d... | https://stackoverflow.com/questions/74835341/pandas-datareader-should-get-stock-market-data-but-returns-error | python, pandas, data-science, pandas-datareader | 1,671,291,621 |
se_74824860 | stackoverflow | DATA_SCIENCE | How to open a PFA csv file | How to open a PFA csv file
A client gave me a file in CSV format and called that PFA. I want to open a PFA file, but I got something like the one below.
I would appreciate it if I get help from you.
df=pd.read_csv( '/home/mikaeil/Downloads/ccd4b28d-4340-4e4f-a3b4-e2de3a2de142.csv')
The result is like below:
0 f7106... | https://stackoverflow.com/questions/74824860/how-to-open-a-pfa-csv-file | python, csv, jupyter-notebook, data-science, opencsv | 1,671,195,955 |
se_74833767 | stackoverflow | DATA_SCIENCE | ValueError: Found input variables with inconsistent numbers of samples: [137, 68] | ValueError: Found input variables with inconsistent numbers of samples: [137, 68]
I encountered an error while building a linear regression model. Judging by their shape, it seems appropriate.
X = df_one_hot[features]
y = df_one_hot["price"]
X_train, y_train, X_test, y_test = train_test_split(X, y, test_size = 0.33, ... | https://stackoverflow.com/questions/74833767/valueerror-found-input-variables-with-inconsistent-numbers-of-samples-137-68 | python, machine-learning, data-science, data-cleaning | 1,671,277,193 |
se_74835683 | stackoverflow | DATA_SCIENCE | how do i split a column into two in python on the basis of data in it | how do i split a column into two in python on the basis of data in it
for instance the column i want to split is duration here, it has data points like - 110 or 2 seasons, i want to make a differerent column for seasons and in place of seasons in my current column it should say null as this would make the type of colu... | https://stackoverflow.com/questions/74835683/how-do-i-split-a-column-into-two-in-python-on-the-basis-of-data-in-it | python, csv, split, data-science | 1,671,294,628 |
se_74829309 | stackoverflow | DATA_SCIENCE | flip boxplot with conditional statement in Shiny app R | flip boxplot with conditional statement in Shiny app R
I am generating a boxplot in Shiny app in R based on user input,
The user selects one factor variable and one numeric variable then a box blot of these variables is shown. My problem is that; some of the factor variables have more than 10 levels, the x-axis labels... | https://stackoverflow.com/questions/74829309/flip-boxplot-with-conditional-statement-in-shiny-app-r | r, shiny, data-science, shinyapps | 1,671,221,360 |
se_74812287 | stackoverflow | DATA_SCIENCE | How to fix NaN values in concatenated multiple tables in Jupyter Notebook | How to fix NaN values in concatenated multiple tables in Jupyter Notebook
I am using Jupyter Notedbook. I have concatenated multiple tables. When I run the head() command I am not able to see the values in age and gender columns in a table rather than it's showing me NaN values against each user_id.
The following imag... | https://stackoverflow.com/questions/74812287/how-to-fix-nan-values-in-concatenated-multiple-tables-in-jupyter-notebook | python-3.x, machine-learning, jupyter-notebook, data-science, data-analysis | 1,671,110,862 |
se_74549641 | stackoverflow | DATA_SCIENCE | Scikit-Learn issues error for RandomForestClassifier for multilabel classification - Jagged arrays | Scikit-Learn issues error for RandomForestClassifier for multilabel classification - Jagged arrays
Scikit-Learn RandomForestClassifier throws an error for a multilabel classification problem.
This code creates a RandomForestClassifier multilabel object, given predictors C and multi-labels out with no error.
C = np.a... | https://stackoverflow.com/questions/74549641/scikit-learn-issues-error-for-randomforestclassifier-for-multilabel-classificati | machine-learning, scikit-learn, data-science, random-forest, multilabel-classification | 1,669,218,815 |
se_74828255 | stackoverflow | DATA_SCIENCE | ModuleNotFoundError: No module named 'sklearn.feature_extraction.dict_vectorizer' | ModuleNotFoundError: No module named 'sklearn.feature_extraction.dict_vectorizer'
I am trying to preprocess a bengali dataset using BLTK. But, it gives me an error. I dont know why. I have sci-kit learn installed and updated it.
This is my code:
from bltk.langtools import remove_stopwords
from bltk.langtools i... | https://stackoverflow.com/questions/74828255/modulenotfounderror-no-module-named-sklearn-feature-extraction-dict-vectorizer | python, machine-learning, scikit-learn, jupyter-notebook, data-science | 1,671,214,037 |
se_74828103 | stackoverflow | DATA_SCIENCE | Is there a way to combine these sklearn Pipelines/ColumnTransformers so I don't have to make multiple fit_transform() calls? | Is there a way to combine these sklearn Pipelines/ColumnTransformers so I don't have to make multiple fit_transform() calls?
I'd like to create a Pipeline where I can call fit_transform() just one time on my train dataset (train_df) and receive a fully preprocessed dataset. I don't think I can currently do that, h... | https://stackoverflow.com/questions/74828103/is-there-a-way-to-combine-these-sklearn-pipelines-columntransformers-so-i-dont | python, machine-learning, scikit-learn, data-science, sklearn-pandas | 1,671,213,059 |
se_74828686 | stackoverflow | DATA_SCIENCE | Retrieve Dataframe value(s) if the percentage of a string existing in another Dataframe row is >= 75% | Retrieve Dataframe value(s) if the percentage of a string existing in another Dataframe row is >= 75%
Well, this is burning my brain and I decided to ask it here.
I have two existing Dataframes, the first one contains a small description of a physical object, and the other Dataframe usually has a detailed descripti... | https://stackoverflow.com/questions/74828686/retrieve-dataframe-values-if-the-percentage-of-a-string-existing-in-another-da | python, python-3.x, pandas, dataframe, data-science | 1,671,216,922 |
se_74825075 | stackoverflow | DATA_SCIENCE | As a learning data scientist, how do I understand which decoder to use? | As a learning data scientist, how do I understand which decoder to use?
I wanted to decode a string into its original data value, I'm not sure if I took the right steps, or if had used the wrong encoder, is there anyway to know which encoder to use when receiving decoded data?
import base64
x = 'f71069a5840386c6ece10... | https://stackoverflow.com/questions/74825075/as-a-learning-data-scientist-how-do-i-understand-which-decoder-to-use | python-3.x, data-science | 1,671,197,147 |
se_73851229 | stackoverflow | DATA_SCIENCE | Plotting Quarterly Data - Plotly | Plotting Quarterly Data - Plotly
I am trying to plot the below line chart in plotly, but my x axis is a quarter such as
df['quarter'] = pd.PeriodIndex(df.date, freq='Q')
quarter
2017Q1
2017Q2
...
fig = px.line(qtrly_comp, x="quarter", y="counts",template=template_style,markers = True)
fig.show()
I am getting error... | https://stackoverflow.com/questions/73851229/plotting-quarterly-data-plotly | python, python-3.x, data-science, plotly | 1,664,179,754 |
se_74803010 | stackoverflow | DATA_SCIENCE | Multiprocessing in python - saving memory by adding results | Multiprocessing in python - saving memory by adding results
I'm simulating a physical problem under different initial conditions using Python. As these realizations are completely independent of each other, I wanted to use the multiprocessing package.
Now, the result of one realization can easily be a few 100 Mb large... | https://stackoverflow.com/questions/74803010/multiprocessing-in-python-saving-memory-by-adding-results | python, multiprocessing, data-science, python-multiprocessing | 1,671,044,049 |
se_74817271 | stackoverflow | DATA_SCIENCE | How can I solve this Isin problem? I cant make it | How can I solve this Isin problem? I cant make it
I'm having a problem, I try some stuff but i still Can't make it.
This is my DF.
But my problem is some steps ahead. Here its my code and then I explain:
df1 = df1.iloc[6:]
del df1['Unnamed: 0']
del df1['Unnamed: 3']
df1.rename(columns={'Unnamed: 1': 'Fecha', 'Unnamed... | https://stackoverflow.com/questions/74817271/how-can-i-solve-this-isin-problem-i-cant-make-it | pandas, dataframe, date, data-science, isin | 1,671,136,530 |
se_74791338 | stackoverflow | DATA_SCIENCE | If the same string is in the first column of a sorted dataframe take the rows associated with the unique value and create new dataframes | If the same string is in the first column of a sorted dataframe take the rows associated with the unique value and create new dataframes
What I am looking to do is for every email address that is the same, take the corresponding rows with that same email and create new dataframes and then send an email with the row in... | https://stackoverflow.com/questions/74791338/if-the-same-string-is-in-the-first-column-of-a-sorted-dataframe-take-the-rows-as | python, dataframe, data-science, columnsorting | 1,670,968,785 |
se_74813673 | stackoverflow | DATA_SCIENCE | How to parametrise unit tests for sklearn models | How to parametrise unit tests for sklearn models
I want to create some unit tests to make sure the correct NotImplemented exceptions are thrown for a module I am developing. Is there a way that I could use some dummy data, create and fit multiple sklearn models to feed into the unit tests?
I'm looking for a parametric... | https://stackoverflow.com/questions/74813673/how-to-parametrise-unit-tests-for-sklearn-models | python, unit-testing, machine-learning, scikit-learn, data-science | 1,671,117,153 |
se_72988186 | stackoverflow | DATA_SCIENCE | Saving segmented csv files after separating them by a column value | Saving segmented csv files after separating them by a column value
I'm trying to segment a csv file of names and emails. The file has first_name, last_name, email, and email domain. I need to classify them by 'business' or 'individual' email.
the data looks like this:
CSV File
import pandas as pd
data = pd.read_csv("... | https://stackoverflow.com/questions/72988186/saving-segmented-csv-files-after-separating-them-by-a-column-value | python, pandas, csv, data-science, business-intelligence | 1,657,848,522 |
se_74814114 | stackoverflow | DATA_SCIENCE | How can I create an int variable? | How can I create an int variable?
I wonderer how can I create an int variable that contains an huge amount of 0's and and big amount of 1's to do a Data Science models.
I know how crated a variable but not how to create a variable that contains lots of ints rapidly, I tried using fillna() to complete a variable, but I... | https://stackoverflow.com/questions/74814114/how-can-i-create-an-int-variable | python, pandas, jupyter-notebook, data-science, fillna | 1,671,119,075 |
se_74788481 | stackoverflow | DATA_SCIENCE | Why can't I change the dtype of a variable? | Why can't I change the dtype of a variable?
I am doing some Kaggle competition called TitanicSpaceship (https://www.kaggle.com/competitions/spaceship-titanic) and I had an error:
train['CryoSleep'] = train['CryoSleep'].map({'False':0, 'True':1}).astype(int)
IntCastingNaNError: Cannot convert non-finite values (NA ... | https://stackoverflow.com/questions/74788481/why-cant-i-change-the-dtype-of-a-variable | python, pandas, integer, data-science, imputation | 1,670,951,286 |
se_74811497 | stackoverflow | DATA_SCIENCE | How to combine two columns (a simple multiplication and addition) from a .csv file to a new one using Python? | How to combine two columns (a simple multiplication and addition) from a .csv file to a new one using Python?
I am new to programming and this seems like an easy one but I do not have experience so I need help. Thank you
So, I am doing an NBA themed task in which I need to make a column (feature) called TOTAL_GAME_TIM... | https://stackoverflow.com/questions/74811497/how-to-combine-two-columns-a-simple-multiplication-and-addition-from-a-csv-fi | python, python-3.x, pandas, csv, data-science | 1,671,107,165 |
se_74803563 | stackoverflow | DATA_SCIENCE | Why RFECV visualizer from yellowbrick finds number of optimal features more than number of features in train set? | Why RFECV visualizer from yellowbrick finds number of optimal features more than number of features in train set?
I am trying to perform feature selection and to use RFECV from yellowbrick.model_selection. I have 48 features in my train set. But when I run the code in below, the visualizer finds number of features as ... | https://stackoverflow.com/questions/74803563/why-rfecv-visualizer-from-yellowbrick-finds-number-of-optimal-features-more-than | scikit-learn, data-science, feature-selection, yellowbrick | 1,671,047,768 |
se_74801775 | stackoverflow | DATA_SCIENCE | Why BeautifulSoup returning same information over and over again | Why BeautifulSoup returning same information over and over again
When I am trying to scrap website over multiple pages BeautifulSoup returning the 1st page content for all the page range.. It is getting repeated again and again..
data=pd.DataFrame()
for i in range(1,10):
headers = {'User-Agent': 'Mozilla/5.0 (Macint... | https://stackoverflow.com/questions/74801775/why-beautifulsoup-returning-same-information-over-and-over-again | python, python-3.x, web-scraping, beautifulsoup, data-science | 1,671,037,182 |
se_74788520 | stackoverflow | DATA_SCIENCE | Does the order of an ARMA(p,0) model mean it uses the last p lags or any previous p lags? | Does the order of an ARMA(p,0) model mean it uses the last p lags or any previous p lags?
I'm having a problem with the definition of order of AR, MA and ARMA time series forecasting processes. Imagine we have a time series with data from January to December, and we're in July, trying to predict August. When we say AR... | https://stackoverflow.com/questions/74788520/does-the-order-of-an-armap-0-model-mean-it-uses-the-last-p-lags-or-any-previou | math, time-series, data-science, forecasting, arima | 1,670,951,454 |
se_74795623 | stackoverflow | DATA_SCIENCE | couldn't download table dataset from https://www.nordpoolgroup.com/en/Market-data1/#/nordic/table | couldn't download table dataset from https://www.nordpoolgroup.com/en/Market-data1/#/nordic/table
I am working on my data science homework. I am trying to download the weekly table data by using pyython from : https://www.nordpoolgroup.com/en/Market-data1/Dayahead/Area-Prices/ALL1/Hourly12/?view=table for my exam.... | https://stackoverflow.com/questions/74795623/couldnt-download-table-dataset-from-https-www-nordpoolgroup-com-en-market-dat | python, web, beautifulsoup, data-science, screen-scraping | 1,671,007,809 |
se_74795298 | stackoverflow | DATA_SCIENCE | How to create a new dictionary from two other dictionaries taking different keys and values with iteration? | How to create a new dictionary from two other dictionaries taking different keys and values with iteration?
I have two dictionaries as input.
The first one contains pin numbers as keys and as values - the probability of a certain code.
`dict_1={
8063: {'code15': 99.61, 'code17': 96.14}, 9621: {'15': 88.59}, 1583: {'co... | https://stackoverflow.com/questions/74795298/how-to-create-a-new-dictionary-from-two-other-dictionaries-taking-different-keys | python, python-3.x, data-structures, jupyter-notebook, data-science | 1,671,005,885 |
se_74793282 | stackoverflow | DATA_SCIENCE | Removing All Text From a Column | Removing All Text From a Column
I am trying to teach myself Python for data analysis, and I am working with a dataset that contains both strings and integers.
enter image description here
I was able to fix the reviews_avg column by using :
df['reviews_avg_num'] = df['reviews_avg'].str[8:11]
That took out all text and ... | https://stackoverflow.com/questions/74793282/removing-all-text-from-a-column | python, python-3.x, dataframe, data-science, data-analysis | 1,670,988,605 |
se_58872043 | stackoverflow | DATA_SCIENCE | I am trying to make my data balanced as my target variable has multi-class and I want to oversample it to make my data balanced | I am trying to make my data balanced as my target variable has multi-class and I want to oversample it to make my data balanced
Let x contain the variables: print(x)
Restaurant Cuisines Average_Cost Rating Votes Reviews Area
0 3.526361 0.693147 5.303305 1.504077 2.564949 1.609438 ... | https://stackoverflow.com/questions/58872043/i-am-trying-to-make-my-data-balanced-as-my-target-variable-has-multi-class-and-i | python, machine-learning, data-science, imblearn | 1,573,802,235 |
se_65958883 | stackoverflow | DATA_SCIENCE | The difference between smote.fit_sample() and smote.fit_resample() | The difference between smote.fit_sample() and smote.fit_resample()
In imblearn, what is the difference between smote.fit_sample() and smote.fit_resample(), and when should we use one over the other? | https://stackoverflow.com/questions/65958883/the-difference-between-smote-fit-sample-and-smote-fit-resample | python, python-3.x, data-science, imblearn | 1,611,940,323 |
se_74738205 | stackoverflow | DATA_SCIENCE | How do I gather information from 3 dataframes in pandas with custom headers? | How do I gather information from 3 dataframes in pandas with custom headers?
I am learning pandas and doing some exercies but without much source
So basically I have these 4 dataframes below:
So for every bill in the dataset, i want to know how many legislators supported the bill and how many legislators opposed the... | https://stackoverflow.com/questions/74738205/how-do-i-gather-information-from-3-dataframes-in-pandas-with-custom-headers | python, pandas, dataframe, pyspark, data-science | 1,670,551,328 |
se_74792191 | stackoverflow | DATA_SCIENCE | Probabilistic Bounds for a Strictly Positive Machine Learning Point Estimate? | Probabilistic Bounds for a Strictly Positive Machine Learning Point Estimate?
I'm trying to create some probabilistic bounds for my machine learning regression predictions. What I'm currently doing is taking the output of the regression algorithm (I'm predicting team points scored), passing it in as the mean to a norm... | https://stackoverflow.com/questions/74792191/probabilistic-bounds-for-a-strictly-positive-machine-learning-point-estimate | machine-learning, scipy, statistics, data-science, probability | 1,670,975,743 |
se_74791314 | stackoverflow | DATA_SCIENCE | Why does dbscan perform poorly on this dataset | Why does dbscan perform poorly on this dataset
I have the following dataset and I am using the dbscan algorithm to try and perform clustering.
However no matter what values for min points and eps I choose I get very few and very bad clusters. Isn't dbscan supposed to perform well on clusters of similar density that a... | https://stackoverflow.com/questions/74791314/why-does-dbscan-perform-poorly-on-this-dataset | data-science, cluster-analysis | 1,670,968,559 |
se_74789876 | stackoverflow | DATA_SCIENCE | Converting latitude/longitude to decimal degrees for entire data frame | Converting latitude/longitude to decimal degrees for entire data frame
I'm trying to convert columns of latitude and longitude and create a new column for decimal degrees.
Both code examples work great for a single coordinate (also from Stack Overflow), but I need to iterate over multiple columns.
latitude = "20-18-6.... | https://stackoverflow.com/questions/74789876/converting-latitude-longitude-to-decimal-degrees-for-entire-data-frame | python, data-science, latitude-longitude | 1,670,958,937 |
se_74775126 | stackoverflow | DATA_SCIENCE | what R Code to calculate the entropy for each level in a categorical variable | what R Code to calculate the entropy for each level in a categorical variable
I have quite some categorical variable in my dataset, These variables have more than two levels each. Now i want an R code function (or loop) that can calculate the entropy and information gain for each levels in each categorical variable an... | https://stackoverflow.com/questions/74775126/what-r-code-to-calculate-the-entropy-for-each-level-in-a-categorical-variable | r, dataframe, data-science, entropy, information-gain | 1,670,866,708 |
se_74788905 | stackoverflow | DATA_SCIENCE | How to collapse levels in a categorical variable in R | How to collapse levels in a categorical variable in R
I have various categorical variable with more than 5 levels each, I want a function that can collapse them into just two levels
column1<- c("bad","good","nice","fair","great","bad","bad","good","nice",
"fair","great","bad")
column2<- c("john","ben","coo... | https://stackoverflow.com/questions/74788905/how-to-collapse-levels-in-a-categorical-variable-in-r | r, dataframe, data-science | 1,670,953,372 |
se_74786810 | stackoverflow | DATA_SCIENCE | Is there a better way to replace the "for" loop in python? | Is there a better way to replace the "for" loop in python?
Can someone help me?
I have a huge dataframe to work with (90 thousand rows) and I need to apply this logic, but I can only think of solving the problem using a 'for' loop, and this is taking almost 2 hours to run... Can someone give me some light on... | https://stackoverflow.com/questions/74786810/is-there-a-better-way-to-replace-the-for-loop-in-python | python, pandas, dataframe, data-science | 1,670,943,619 |
se_74786916 | stackoverflow | DATA_SCIENCE | Why Imputation converts float64 column to object and not converting again? | Why Imputation converts float64 column to object and not converting again?
I just did mean imputation on a pandas dataframe, but the column after imputation in converted to object type and is not converting back to float. I tried astype(float), which says need a string not a method, to_numeric() also donot work.
this ... | https://stackoverflow.com/questions/74786916/why-imputation-converts-float64-column-to-object-and-not-converting-again | pandas, machine-learning, scikit-learn, statistics, data-science | 1,670,944,033 |
se_74779033 | stackoverflow | DATA_SCIENCE | checkboxGroupButton - Select one at a time | checkboxGroupButton - Select one at a time
I'm trying to create a radiobutton in the style of the checkboxGroupButton() in R shiny.
I want to recreate this example with the same button aesthetics, but only allow the user to select one input at a time.
library(shiny)
library(shinyWidgets)
ui <- fluidPage(
tags$h1("c... | https://stackoverflow.com/questions/74779033/checkboxgroupbutton-select-one-at-a-time | r, shiny, data-science, shinywidgets | 1,670,894,472 |
se_74760126 | stackoverflow | DATA_SCIENCE | Custom objects classifier always returns one of classes even if the picture belongs to none of them | Custom objects classifier always returns one of classes even if the picture belongs to none of them
My fruit detection app shows fruit results even though the user uploads a picture that is not a fruit. Is it possible to display a "no plant detected" message?
My code:
private void classifyImage(Bitmap image) {
try... | https://stackoverflow.com/questions/74760126/custom-objects-classifier-always-returns-one-of-classes-even-if-the-picture-belo | java, machine-learning, data-science, image-classification | 1,670,755,498 |
se_74771579 | stackoverflow | DATA_SCIENCE | How can I create a new column in a pandas data frame by extracting words from sentences in another column? | How can I create a new column in a pandas data frame by extracting words from sentences in another column?
I have a pandas dataframe like this.
import pandas as pd
student_id = ['001', '002', '003', '004']
names = ['Jane', 'Mary', 'Andrew',
'Paul']
address = ['7 karumu st Ikeja Lagos', '8
logo street Umuahia Abia', ... | https://stackoverflow.com/questions/74771579/how-can-i-create-a-new-column-in-a-pandas-data-frame-by-extracting-words-from-se | python, pandas, dataframe, loops, data-science | 1,670,850,484 |
se_74765501 | stackoverflow | DATA_SCIENCE | How do I do linear regression on count output with continuous predictor? (Sentiment Analysis | How do I do linear regression on count output with continuous predictor? (Sentiment Analysis
So i have a sentiment value (range -2<x<2) with an attached categorical data (0,1). i want to see if the sentiment value can predict the number of categorical data. How would I do this? which model am I to use? data is like th... | https://stackoverflow.com/questions/74765501/how-do-i-do-linear-regression-on-count-output-with-continuous-predictor-sentim | r, statistics, regression, data-science, sentiment-analysis | 1,670,803,341 |
se_74668460 | stackoverflow | DATA_SCIENCE | Which learning model should be chosen to predict text news tags? | Which learning model should be chosen to predict text news tags?
I have a database of news texts (100000 samples). Half of the dataset is tagged, and half is not, what methodology can I use to analyze the remaining news and fill them with tags?
Data example:
Text = A cap on the price of Russian oil will restrict Russ... | https://stackoverflow.com/questions/74668460/which-learning-model-should-be-chosen-to-predict-text-news-tags | python, nlp, data-science, data-analysis, tagging | 1,670,084,533 |
se_74692140 | stackoverflow | DATA_SCIENCE | combining Machine learning models | combining Machine learning models
Is there is a way to combine multiple ML models where each model use a dataset with different features but same outcome?
I find a way to combine models which is ensemble learning but its only applicable for datasets with the same features | https://stackoverflow.com/questions/74692140/combining-machine-learning-models | machine-learning, deep-learning, dataset, data-science | 1,670,261,459 |
se_74688095 | stackoverflow | DATA_SCIENCE | How to helpfully plot time series data in python | How to helpfully plot time series data in python
I have a 2 Dimensional set of time series data containing about 1000 samples. I.e I have a long list of 1000 elements each entry is a list of two numbers.
It can be thought of the position, x and y coordinates, of a car with a picture taken each second for 1000 seconds.... | https://stackoverflow.com/questions/74688095/how-to-helpfully-plot-time-series-data-in-python | python, matplotlib, data-science, visualization | 1,670,242,816 |
se_74718879 | stackoverflow | DATA_SCIENCE | type error while creating confusion matrix | type error while creating confusion matrix
I'm trying to create a confusion_matrix but I get the following error:
TypeError: Labels in y_true and y_pred should be of the same type.
Got y_true=[False True] and y_pred=['False' 'True'].
Make sure that the predictions provided by the classifier coincide with the true lab... | https://stackoverflow.com/questions/74718879/type-error-while-creating-confusion-matrix | python, machine-learning, scikit-learn, data-science, confusion-matrix | 1,670,425,979 |
se_74742670 | stackoverflow | DATA_SCIENCE | How is the resultant likelihood matrix from a multivariate Gaussian distribution used in Bayesian classification? | How is the resultant likelihood matrix from a multivariate Gaussian distribution used in Bayesian classification?
I am attempting to make a Bayesian classification algorithm using multivariate Gaussian distribution, but I can't figure out how to extract the probabilities from the resultant matrix from this equation:
... | https://stackoverflow.com/questions/74742670/how-is-the-resultant-likelihood-matrix-from-a-multivariate-gaussian-distribution | matlab, machine-learning, statistics, data-science, bayesian | 1,670,586,297 |
se_74745340 | stackoverflow | DATA_SCIENCE | Plot X Y coordinates in PowerBI | Plot X Y coordinates in PowerBI
I've been provided with a PoweBI license and I have a set of x and y coordinates. I would like to plot each coordinate over a rectangle which represents a football pitch. At a later stage overlay an actual football pitch (see images below).
I would just like to get information/guidance ... | https://stackoverflow.com/questions/74745340/plot-x-y-coordinates-in-powerbi | r, python-3.x, powerbi, data-science | 1,670,600,904 |
se_74582320 | stackoverflow | DATA_SCIENCE | Adding foreign Key in table is taking too long | Adding foreign Key in table is taking too long
I have two tables (using mysql) : tactic_themes(code_tac,code_th) and tactics(code_tac,tactic_data) which tactic_themes contains 13 million rows and tactics 3 million rows but running query that makes "code_tac" column a foreign key takes too long, i mean more than 2 hour... | https://stackoverflow.com/questions/74582320/adding-foreign-key-in-table-is-taking-too-long | mysql, sql, database, data-science | 1,669,467,124 |
se_74657539 | stackoverflow | DATA_SCIENCE | Mismatched in actual number of classes and classes after test/train generator | Mismatched in actual number of classes and classes after test/train generator
The number of classes after test/train image generator applied is different from the original actual number of classes.
Initially, I have 4 folders (4 classes)
After test/train generator I am getting 5 classes
Code:
input_shape = (128, 128... | https://stackoverflow.com/questions/74657539/mismatched-in-actual-number-of-classes-and-classes-after-test-train-generator | tensorflow, machine-learning, keras, conv-neural-network, data-science | 1,669,992,364 |
se_74579456 | stackoverflow | DATA_SCIENCE | Is there any way I can fix the error string indices must be integers? | Is there any way I can fix the error string indices must be integers?
I tried to make graphs for my csv dataset in Jupyter Notebook, using this line of code:
bank['marital'].value_counts().plot(kind='pie',autopct='%.2f')
plt.show()
However, the system return, "string indices must be integers".
I have tried to use ma... | https://stackoverflow.com/questions/74579456/is-there-any-way-i-can-fix-the-error-string-indices-must-be-integers | string, graph, jupyter-notebook, dataset, data-science | 1,669,432,302 |
se_74747082 | stackoverflow | DATA_SCIENCE | Matplotlib hist doesn't calculate the correct heights of bars | Matplotlib hist doesn't calculate the correct heights of bars
I read data from a csv file and then calculate the amount of bins according to sturges rule. Then I make a histogram using matplotlib, but I don't get what I expect.
import matplotlib.pyplot as plot
height = [167, 170, 173, 173, 173, 174, 175, 178, 180... | https://stackoverflow.com/questions/74747082/matplotlib-hist-doesnt-calculate-the-correct-heights-of-bars | python, matplotlib, data-science | 1,670,611,034 |
se_74704230 | stackoverflow | DATA_SCIENCE | Why adding new data in time series affects yhat (predictions) in the past in Prophet? | Why adding new data in time series affects yhat (predictions) in the past in Prophet?
I am using Prophet to predict a time serie. However, if I drop last month, yhat in the past changes. I think the expected result is to modify the future prediction, not the past. Is that behaviour correct?
How can I make a month yhat... | https://stackoverflow.com/questions/74704230/why-adding-new-data-in-time-series-affects-yhat-predictions-in-the-past-in-pro | python, data-science, arima, prophet | 1,670,337,052 |
se_74745386 | stackoverflow | DATA_SCIENCE | pd.fillna or pd.DataFrame.loc for NaN values by function with condition | pd.fillna or pd.DataFrame.loc for NaN values by function with condition
Hi everyone? i white a function to replace NaN values in DataFrame (1750 000 lines):
def Android_iOs_device_os_cange(df):
def find_Android_brand(df):
list_for_android = list(df[df['device_os'] == 'Android'].device_brand.unique())
... | https://stackoverflow.com/questions/74745386/pd-fillna-or-pd-dataframe-loc-for-nan-values-by-function-with-condition | python, pandas, function, loops, data-science | 1,670,601,152 |
se_74732457 | stackoverflow | DATA_SCIENCE | How to solve the following 3-dimensional system of non-linear inequalities in R? | How to solve the following 3-dimensional system of non-linear inequalities in R?
I need to solve the following system of non-linear inequalities:
x*y >= 420
x*z >= 14
x*y*z < 5000
I have tried to find a similar question/solution or package that helps, but I struggle to apply it to that specific case.
The expected out... | https://stackoverflow.com/questions/74732457/how-to-solve-the-following-3-dimensional-system-of-non-linear-inequalities-in-r | r, data-science, nonlinear-optimization, inequalities | 1,670,512,379 |
se_72123229 | stackoverflow | DATA_SCIENCE | Save & load best model in AutoTS python | Save & load best model in AutoTS python
After fitting AutoTS model over some time series data, how can I save & load the best model trained? Though, the AutoTS object has export_template() & import_template() functions to save best model, but while loading best model from this template, it requires re-fitting. How... | https://stackoverflow.com/questions/72123229/save-load-best-model-in-autots-python | python, machine-learning, time-series, data-science, forecasting | 1,651,734,657 |
se_74208216 | stackoverflow | DATA_SCIENCE | Matplotlib "LinearSegmentedColormap" error | Matplotlib "LinearSegmentedColormap" error
Can someone help me with this error of matplotlib?
I'm using jupyter for some data science project from a famous book (hands-on machine learning...) but I have a problem with an unusual error.
This is the code:
%matplotlib inline
import matplotlib.pyplot as plt
ho... | https://stackoverflow.com/questions/74208216/matplotlib-linearsegmentedcolormap-error | matplotlib, data-science, jupyter | 1,666,789,209 |
se_74724904 | stackoverflow | DATA_SCIENCE | Is there a way to count how many entries exists with a certain filter for python pandas? | Is there a way to count how many entries exists with a certain filter for python pandas?
This might seem very basic but I am new to Pandas, the title might not be accurate but I have good screenshots below
This is sort of a voting app
I have the vote_results dataframe:
And the legislators dataframe:
This is the data... | https://stackoverflow.com/questions/74724904/is-there-a-way-to-count-how-many-entries-exists-with-a-certain-filter-for-python | python, pandas, dataframe, pyspark, data-science | 1,670,467,097 |
se_74723908 | stackoverflow | DATA_SCIENCE | Converting float64 column to int column | Converting float64 column to int column
Notice that ProviderID, Vender and PCP in df_claims are float strings (Ex. 12231.0), which isn't accurate representation. These columns are ID's for respective entities, and ideally should be int (Ex. 12231). Convert these columns to int, handling the missing values separately.
... | https://stackoverflow.com/questions/74723908/converting-float64-column-to-int-column | python, pandas, database, dataframe, data-science | 1,670,455,406 |
se_74723291 | stackoverflow | DATA_SCIENCE | Extracting Unstructured data with python - Extracting tables from a scanned book | Extracting Unstructured data with python - Extracting tables from a scanned book
I wish to extract tables to excel from a scanned booklet. sample pdf can be found here
It is in .pdf format though the tables appear as an image as it is scanned.
Tried Camelot and PyMuPDF but seem to get it wrong somewhere.
Here is the c... | https://stackoverflow.com/questions/74723291/extracting-unstructured-data-with-python-extracting-tables-from-a-scanned-book | python, python-3.x, pandas, dataframe, data-science | 1,670,450,548 |
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