DataFrameGroupBy.agg()

pandas.core.groupby.DataFrameGroupBy.agg

DataFrameGroupBy.agg(arg, *args, **kwargs)

Aggregate using input function or dict of {column -> function}

Parameters:

arg : function or dict

Function to use for aggregating groups. If a function, must either work when passed a DataFrame or when passed to DataFrame.apply. If passed a dict, the keys must be DataFrame column names.

Accepted Combinations are:
  • string cythonized function name
  • function
  • list of functions
  • dict of columns -> functions
  • nes