Extract PsPM-style marker information from Gazepoint biometrics data

Usage

extract_gazepoint_markerinfo_pspm_style(
  data,
  marker_cols = NULL,
  time_col = NULL,
  sampling_rate_hz = NULL,
  group_cols = NULL,
  edge = c("rising", "change", "nonzero"),
  nonzero_only = TRUE
)

Arguments

data: Gazepoint data frame.
marker_cols: Marker/TTL columns. If NULL, likely marker columns are inferred.
time_col: Time column in seconds. If NULL, inferred or created from sampling_rate_hz.
sampling_rate_hz: Sampling rate used when no time column is available.
group_cols: Optional grouping columns such as participant or trial.
edge: Event rule: rising, change, or nonzero.
nonzero_only: Whether zero-valued markers should be ignored.

Value

Data frame with marker events.