onset_pupil: Zero Time Index to Event Onset

In dmirman/gazer: Tools for Processing Eye Tracking Data

Zero Time Index to Event Onset

Description

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.

Usage

onset_pupil(time, marker, event)

Arguments

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.

Value

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.

dmirman/gazer documentation built on Sept. 1, 2024, 10:13 p.m.