pupil_frequency_features: Extract pupil frequency-domain and activity features by group

In eyeprocess: Harmonize Eye-Tracking, Pupillometry, Biometrics, and Psychometric Process Data

Extract pupil frequency-domain and activity features by group

Description

Extract pupil frequency-domain and activity features by group

Usage

pupil_frequency_features(
  data,
  by = c("person_id", "trial_id"),
  time = "time_ms",
  pupil = "pupil_bc",
  sampling_rate_hz = 60,
  low_band = c(0.05, 0.5),
  high_band = c(0.5, 4)
)

Arguments

data	Sample-level data.
by	Grouping columns, e.g. person and trial/window.
time, pupil	Column names.
sampling_rate_hz	Either a scalar or a column name.
low_band, high_band	Frequency bands.

Value

An object of class "eye_pupil_frequency_features", stored as a named list, with components "features", "low_band", "high_band", "by", "pupil", "time", "caveat". It contains pupil frequency-domain and activity features by group and associated metadata or diagnostics needed to interpret the result.

eyeprocess documentation built on Sept. 28, 2026, 5:08 p.m.