Datasets:
Tasks:
Time Series Forecasting
Modalities:
Time-series
Languages:
English
Size:
1M<n<10M
ArXiv:
License:
chore: sync metadata, drop original files
Browse files
README.md
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license: cc-by-4.0
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task_categories:
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- time-series-forecasting
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tags:
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- forecasting
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#
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---
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license: cc-by-4.0
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task_categories:
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- time-series-forecasting
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tags:
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- time-series
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- forecasting
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- anomaly-detection
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- classification
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- TSLib
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- tsfile
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- modality:timeseries
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- timeseries
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- format:tsfile
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pretty_name: SMAP (TsFile)
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size_categories:
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- 1M<n<10M
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configs:
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- config_name: default
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data_files:
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- split: train
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path: SMAP_train.tsfile
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- split: test
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path: SMAP_test.tsfile
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modality:
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- timeseries
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- tabular
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- text
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language:
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- en
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---
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# SMAP (TsFile)
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Apache TsFile version of the `SMAP` anomaly-detection subset of
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[`thuml/Time-Series-Library`](https://huggingface.co/datasets/thuml/Time-Series-Library).
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## Overview
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Soil Moisture Active Passive satellite telemetry (25 channels) for anomaly detection.
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- **Train:** 135,183 rows (all normal).
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- **Test:** 427,617 rows (with per-timestep 0/1 anomaly labels).
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- **Channels:** 25.
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The train and test segments are stored as two separate TsFiles
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(`SMAP_train.tsfile` / `SMAP_test.tsfile`), preserving the original split.
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## Schema (TsFile structure)
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- **Time** (INT64, milliseconds) — row index * 1000 ms (the `.npy` source has no timestamp; a monotone 1 Hz proxy axis).
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- **FIELD** (25 channels, FLOAT) — the sensor/metric channels.
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- **label** (INT32) — per-timestep anomaly flag (0/1). The train file is all 0
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(no ground-truth labels); the test file carries the anomaly labels.
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No channels or rows are dropped.
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## Usage
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Read the `.tsfile` files with the Apache TsFile Java or Python SDK.
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## Source & license
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- Original dataset: https://huggingface.co/datasets/thuml/Time-Series-Library (subset `SMAP`)
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- Author / publisher: thuml (Tsinghua University)
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- Paper: https://arxiv.org/abs/2407.13278
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- License: CC BY 4.0
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