contrast_weights.column_contrast_spec: Column Contrast Weights

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

Column Contrast Weights

Description

Compute contrast weights for a column_contrast_spec object by targeting design matrix columns based on regex patterns.

Usage

## S3 method for class 'column_contrast_spec'
contrast_weights(x, term, ...)

Arguments

x	A column_contrast_spec object.
term	An event_term object.
...	Additional arguments (currently unused).

Value

A list containing the contrast details:

term	The original event_term object.
name	The name of the contrast.
weights	A numeric matrix where rows correspond to the full design matrix columns (from .condnames(term, expanded = TRUE)) and columns represent the contrast(s). Usually one column.
condnames	Character vector of all potential expanded condition names from term.
contrast_spec	The original column_contrast_spec object.

bbuchsbaum/fmrireg documentation built on June 10, 2025, 8:18 p.m.