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item_id
stringclasses
3 values
start
stringdate
2026-01-01 00:00:00
2026-01-01 00:00:00
end
stringdate
2026-01-06 23:00:00
2026-01-06 23:00:00
freq
stringclasses
1 value
target
listlengths
144
144
sensor_1
2026-01-01T00:00:00+00:00
2026-01-06T23:00:00+00:00
h
[ 20, 20.7810001373291, 21.510000228881836, 22.13599967956543, 22.618000030517578, 22.92300033569336, 23.030000686645508, 22.933000564575195, 22.63800048828125, 22.166000366210938, 21.549999237060547, 20.83099937438965, 20.059999465942383, 19.288999557495117, 18.56999969482422, 17.954000...
sensor_2
2026-01-01T00:00:00+00:00
2026-01-06T23:00:00+00:00
h
[ 22, 22.7810001373291, 23.510000228881836, 24.13599967956543, 24.618000030517578, 24.92300033569336, 25.030000686645508, 24.933000564575195, 24.63800048828125, 24.166000366210938, 23.549999237060547, 22.83099937438965, 22.059999465942383, 21.288999557495117, 20.56999969482422, 19.954000...
sensor_3
2026-01-01T00:00:00+00:00
2026-01-06T23:00:00+00:00
h
[ 24, 24.7810001373291, 25.510000228881836, 26.13599967956543, 26.618000030517578, 26.92300033569336, 27.030000686645508, 26.933000564575195, 26.63800048828125, 26.166000366210938, 25.549999237060547, 24.83099937438965, 24.059999465942383, 23.288999557495117, 22.56999969482422, 21.954000...

多类型合成数据练习

全部由脚本生成,包含时序、表格、文本三类数据。每类都有 train、validation、test。 configs 统一读取 data/ 下的 Arrow stream 文件;raw/ 保留 CSV 和 JSONL 原始文件。

配置 train validation test 字段
timeseries(默认) 3 3 3 item_id, start, end, freq, target
tabular 12 4 4 sample_id, temperature, humidity, label
text 12 4 4 sample_id, text, label

时序每行是一台传感器的一段数据,三段分别为前 144、后 48、最后 48 小时。 同一传感器出现在各 split,但时间点不重叠;这是预测已知传感器未来值的评估。 表格和文本是独立合成样本,按种子 42 打乱后按 60%/20%/20% 划分,sample_id 不重叠。 样例不适用于真实业务结论;重复模板文本只用于学习文件与划分流程。

from datasets import load_dataset
data = load_dataset("YOUR_USERNAME/multi-data-demo", name="text")
print(data["train"][0])
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