Design Matrix for Simultaneous and Recursive Relationships between Responses

Description

Forms design matrix for simultaneous and recursive relationships between responses

Usage

sir(formula1=NULL, formula2=NULL)

Arguments

Value

design matrix

Author(s)

Jarrod Hadfield j.hadfield@ed.ac.uk

Examples

fac1<-factor(sample(letters[1:3], 5, TRUE), levels=letters[1:3])
fac2<-factor(sample(letters[1:3], 5, TRUE), levels=letters[1:3])
cbind(fac1, fac2)
sir(~fac1, ~fac2)