convolve.event_term: Convolve an event-related design matrix with an HRF.

In bbuchsbaum/fmrireg: R package for the anlysis of fmri data

Convolve an event-related design matrix with an HRF.

Description

This function takes an event-related design matrix and convolves it with a given HRF to produce a new design matrix suitable for fMRI analysis.

Usage

## S3 method for class 'event_term'
convolve(
  x,
  hrf,
  sampling_frame,
  drop.empty = TRUE,
  summate = TRUE,
  precision = 0.3,
  ...
)

Arguments

x	A data frame with the design matrix.
hrf	The HRF function.
sampling_frame	Data frame specifying the sampling frame.
drop.empty	Logical; if TRUE, remove empty rows.
summate	Logical; if TRUE, sum the convolved HRF.
precision	Numeric; the convolution precision (default: 0.3).
...	Additional arguments.

Value

A tibble of the convolved design matrix.

bbuchsbaum/fmrireg documentation built on March 1, 2025, 11:20 a.m.