Memory usage of DataFrame columns.
index : bool
Specifies whether to include memory usage of DataFrame’s index in returned Series. If index=True (default is False) the first index of the Series is Index.
deep : bool
Introspect the data deeply, interrogate object dtypes for system-level memory consumption
sizes : Series
A series with column names as index and memory usage of columns with units of bytes.
Memory usage does not include memory consumed by elements that are not components of the array if deep=False