Skip to contents

Plot an HRF Object

Source: R/plot-methods.R
plot.HRF.Rd

Draws an HRF with base graphics. Single-basis HRFs show the response curve with its peak annotated. Multi-basis HRFs (e.g., HRF_SPMG3) show every basis function, coloured along the ordered hrf_palette().

Usage

# S3 method for class 'HRF'
plot(x, time = NULL, normalize = FALSE, show_peak = TRUE, ...)

Arguments

x

An HRF object

time

Numeric vector of time points. If NULL (default), uses seq(0, span, by = 0.1) where span is the HRF's span attribute.

normalize

Logical; if TRUE, normalize responses to peak at 1. Default is FALSE.

show_peak

Logical; if TRUE (default for single-basis HRFs), annotate the peak time on the plot.

...

Additional arguments passed to graphics::plot(), such as main or ylim.

Value

Invisibly returns a data frame with the time and response values (useful for further customization).

See also

plot_hrfs() for ggplot2 comparisons of several HRFs.

Examples

# Plot single-basis HRF
plot(HRF_SPMG1)


# Plot multi-basis HRF
plot(HRF_SPMG3)


# Plot with normalization
plot(HRF_GAMMA, normalize = TRUE)


# Custom time range
plot(HRF_SPMG1, time = seq(0, 30, by = 0.5))