mne.epochs.combine_event_ids¶

mne.epochs.combine_event_ids(epochs, old_event_ids, new_event_id, copy=True)[source]¶

Collapse event_ids from an epochs instance into a new event_id.

Parameters:	epochs : instance of Epochs The epochs to operate on. old_event_ids : str, or list Conditions to collapse together. new_event_id : dict, or int A one-element dict (or a single integer) for the new condition. Note that for safety, this cannot be any existing id (in epochs.event_id.values()). copy : bool Whether to return a new instance or modify in place.

Notes

This For example (if epochs.event_id was {‘Left’: 1, ‘Right’: 2}:

combine_event_ids(epochs, [‘Left’, ‘Right’], {‘Directional’: 12})

would create a ‘Directional’ entry in epochs.event_id replacing ‘Left’ and ‘Right’ (combining their trials).