there is no column d in data on google drive

[Sandy4321]

there is no column d in data on google drive

https://drive.google.com/drive/folders/1D6EWdVSaOtrP1LEFh1REjI3vej6iUS_4?usp=sharing

[spdrnl]

Try:

calendar_df['d'] = pd.Series([f"d_{i}" for i in range(1, 1970)])

[spdrnl]

Also an id seems to be missing in sales_train_validation. I found this hint.

[Sandy4321]

SO WHAT TO DO?