Audit distributional drift across sessions or ordered blocks — audit_gazepoint_distributional

Compares signal distributions across sessions/blocks using baseline-vs-current differences, Kolmogorov-Smirnov tests, and Population Stability Index (PSI).

Usage

audit_gazepoint_distributional_drift(
  dat,
  signal_cols,
  session_col = "session",
  participant_col = NULL,
  reference_session = NULL,
  bins = 10,
  psi_warn = 0.1,
  psi_fail = 0.25
)

Arguments

dat: A data frame containing longitudinal biometric data.
signal_cols: Numeric signal columns to audit.
session_col: Session/block/timepoint column.
participant_col: Optional participant column.
reference_session: Optional reference session. If NULL, the first ordered session is used within each participant/global group.
bins: Number of bins for PSI.
psi_warn: PSI threshold for warning.
psi_fail: PSI threshold for failure.

Value

A list with overview, drift_summary, and settings.