temporian.EventSet.leak

leak(duration: Duration) -> EventSetOrNode

Subtracts a duration from an EventSet's timestamps.

In other words, shifts the timestamp values backward in time.

Note that this operator moves future data into the past, and should be used with caution to prevent unwanted future leakage. For instance, this op should generally not be used to compute the input features of a model.

Usage example

>>> a = tp.event_set(
...     timestamps=[0, 1, 5, 6],
...     features={"value": [0, 1, 5, 6]},
... )

>>> b = a.leak(tp.duration.seconds(2))
>>> b
indexes: ...
    (4 events):
        timestamps: [-2. -1. 3. 4.]
        'value': [0 1 5 6]
...

Parameters:

Name	Type	Description	Default
duration	Duration	Duration to leak by.	required

Returns:

Type	Description
EventSetOrNode	Leaked EventSet.