Add small uniform noise to reduce quantization overlap — denoise_gazepoint_quantization

Adds uniform white noise with magnitude tied to hardware resolution. This is intended only for nonlinear phase-space methods that are sensitive to exact repeated values caused by coarse interval quantization.

Usage

denoise_gazepoint_quantization_noise(
  dat,
  signal_cols,
  resolution,
  group_cols = NULL,
  output_suffix = "_quantization_jittered",
  seed = NULL,
  overwrite = FALSE
)

Arguments

dat: A data frame.
signal_cols: Numeric signal columns to jitter.
resolution: Numeric scalar or named numeric vector giving measurement resolution for each column.
group_cols: Optional grouping columns, retained in settings.
output_suffix: Suffix for jittered columns.
seed: Optional random seed.
overwrite: Logical. If FALSE, existing output columns are protected.

Value

A data frame with jittered columns and quantization-noise attributes.