codingMatrices: Alternative Factor Coding Matrices for Linear Model Formulae

A collection of coding functions as alternatives to the standard functions in the stats package, which have names starting with 'contr.'. Their main advantage is that they provide a consistent method for defining marginal effects in factorial models. In a simple one-way ANOVA model the intercept term is always the simple average of the class means.

Package details

AuthorBill Venables
MaintainerBill Venables <>
LicenseGPL (>= 2)
Package repositoryView on CRAN
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codingMatrices documentation built on May 2, 2019, 2:51 p.m.