onset_pupil: Zero Time Index to Event Onset
In jgeller112/gazer: Tools for Processing Eye Tracking Data

Centers the sample index or time stamp of your time series to a reference marker, such that 0 always coincides with the onset of a particular event.

1	onset_pupil(time, marker, event)

`time`	Numeric vector of sample indices or time stamps corresponding to a single time series.
`marker`	Vector containing markers of trial events.
`event`	Label in `marker` that indicates the onset event to which the time series should be zeroed. If this label is a character string, it must be enclosed in quotation marks.

Numeric vector that zeroes time to the trial onset. In the event that no onset marker is found, a warning is issued and a vector of NAs is returned.

jgeller112/gazer documentation built on Jan. 13, 2020, 1:04 p.m.