HDANOVA (version 0.8.3)

signflip: Flip signs of a component/factor combination in a SCA/PCA object

Description

This function flips the sign of a selected component in a selected factor of an asca object. This affects both scores, loadings and projected data.

Usage

signflip(object, factor, comp)

Value

An asca object with the sign of the selected component flipped.

Arguments

object

asca object.

factor

integer/character for selecting a model factor.

comp

integer for selected component.

Examples

# Load candies data
data(candies)

# Basic HDANOVA model with two factors
mod <- hdanova(assessment ~ candy + assessor, data=candies)
mod <- sca(mod)
old.par <- par(mfrow=c(1,2), mar=c(4,4,1,1))
scoreplot(mod, factor="candy")
loadingplot(mod, factor="candy")
par(old.par)

# Flip the sign of the first component of the candy factor
mod <- signflip(mod, factor="candy", comp=1)
old.par <- par(mfrow=c(1,2), mar=c(4,4,1,1))
scoreplot(mod, factor="candy")
loadingplot(mod, factor="candy")
par(old.par)