temporian.EventSet.filter_empty_index

filter_empty_index() -> EventSetOrNode

Filters out indexes without events.

Usage example

>>> a = tp.event_set(
...     timestamps=[1, 2, 3, 4],
...     features={
...         "i1": [1, 1, 2, 2],
...         "f1": [10, 11, 12, 13],
...     },
...     indexes=["i1"]
... )

>>> filtered = a.filter(a["f1"] <= 11).filter_empty_index()
>>> filtered
indexes: [('i1', int64)]
features: [('f1', int64)]
events:
    i1=1 (2 events):
        timestamps: [1. 2.]
        'f1': [10 11]
...

Returns:

Type	Description
EventSetOrNode	Filtered EventSet.