Benefits of panda’s multiindex?
So I learned that I can use DataFrame.groupby without having a MultiIndex to do subsampling/cross-sections.
multi-index
Pandas – write Multiindex rows with to_csv
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:
Turn Pandas Multi-Index into column
I have a dataframe with 2 index levels:
Giving a column multiple indexes/headers
I am working with pandas dataframes that are essentially time series like this: