Category "wide-format-data"

Convert pandas dataframe hourly values in column names (H1, H2,... ) to a series in a separate column

I am trying to convert a dataframe in which hourly data appears in distinct columns, like here: ... to a dataframe that only contains two columns ['datetime',

Pandas: transform column names to row values

I'm trying to achieve the transformation below on a pandas DataFrame. The Date columns are essentially being expanded to multiple rows and we get an entry per m