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languageR (version 1.6)

implementInteractions.fnc: implement interactions in the model matrix

Description

given a model matrix with main effects only, add interactions

Usage

implementInteractions.fnc(m)

Value

an updated (model) matrix

Arguments

m

a (model) matrix (rows observations, columns predictors)

Author

R. H. Baayen

Details

not intended for independent use

See Also

plotLMER.fnc