use_multi_indexing

ketos.data_handling.selection_table.use_multi_indexing(df, level_1_name)[source]

Change from single-level indexing to double-level indexing.

The first index level is the filename while the second index level is a cumulative integer.

Args:
table: pandas DataFrame

Singly-indexed table. Must contain a column named ‘filename’.

Returns:
table: pandas DataFrame

Multi-indexed table.