Benefits of panda’s multiindex?
So I learned that I can use DataFrame.groupby without having a MultiIndex to do subsampling/cross-sections.
So I learned that I can use DataFrame.groupby without having a MultiIndex to do subsampling/cross-sections.
I am using to_csv to write a Multiindex DataFrame to csv files. The csv file has one column that contains the multiindexes in tuples, like:
I have a dataframe with 2 index levels:
I am working with pandas dataframes that are essentially time series like this: