Compute Gaze Dispersion

Description

Calculates centroid anddispersion from gaze data.

Usage

gaze_dispersion(data, x, y, grouping_vars)

Arguments

data	A data frame or tibble.
x	A string: name of the column with X gaze coordinates.
y	A string: name of the column with Y gaze coordinates.
grouping_vars	A character vector of column names to group by (e.g., subject, condition, trial).

Value

A tibble with centroid_x, centroid_y, dispersion, and log_dispersion for each group.