one_against_all_contrast: One Against All Contrast

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

One Against All Contrast

Description

Construct contrasts comparing each factor level against the average of the other levels.

Usage

one_against_all_contrast(levels, facname, where = NULL)

Arguments

levels	A vector of factor levels to be compared.
facname	A character string specifying the name of the factor containing the supplied levels.
where	An optional formula specifying the subset over which the contrast is computed.

Value

A contrast_set object containing contrasts comparing each factor level against the average of the other levels.

Examples

fac <- factor(rep(c("A", "B", "C"), 2))
con <- one_against_all_contrast(levels(fac), "fac")

bbuchsbaum/fmrireg documentation built on May 16, 2023, 10:56 a.m.