Time-frequency plot

Source: R/frequency_plotting.R

Creates a time-frequency plot of an eeg_tfr object. The plot has time on the x-axis and frequency on the y-axis. If no electrode is supplied, it will average over all electrodes.

plot_tfr(
  data,
  electrode = NULL,
  time_lim = NULL,
  freq_range = NULL,
  baseline_type = "none",
  baseline = NULL,
  fill_lims = NULL,
  interpolate = FALSE,
  na.rm = TRUE,
  fun.data = mean
)

Arguments

data

Object of class eeg_tfr

electrode

Electrode to plot. If none is supplied, averages over all electrodes.

time_lim

Time limits of plot.

freq_range

Vector of two numbers. (e.g. c(8, 40)).

baseline_type

baseline correction to apply. Defaults to none.

baseline

Baseline period

fill_lims

Custom colour scale (i.e. range of power). e.g. c(-5, 5).

interpolate

Interpolation of raster for smoother plotting.

na.rm

Remove NA values silently (TRUE) or with a warning (FALSE). Defaults to TRUE.

fun.data

Statistical function to use for averaging over electrodes/conditions. Defaults to mean. Alternatively, supply weighted.mean, which will attempt to weight separate conditions appropriately.

Value

A ggplot object

Details

Various different baseline options can be applied here (e.g. "db" for decibels, "pc" for percent change, "divide" for division; see rm_baseline for details).

See also

rm_baseline()

Author

Matt Craddock matt@mattcraddock.com