Table 1 Summary of datasets. Smaller ADF test statistic indicates a more stationary dataset.

From: NSPLformer: exploration of non-stationary progressively learning model for time series prediction

Dataset

Features

Sampling Frequency

Total Observations

ADF Statistic

Exchange

8

1Day

7588

− 1.89

ETTm2

7

15Minutes

69680

− 6.23

Electricity

321

1Hour

26304

− 8.48

Traffic

862

1Hour

17544

− 15.05

Weather

21

10Minutes

52695

− 26.66

Solar

137

10Minutes

2920

− 30.40