Design Matrices for Multiple Membership Models

Description

Forms design matrices for multiple membership models

Usage

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mult.memb(formula)

Arguments

formula

formula

Details

Currently mult.memb can only usefully be used inside an idv variance function. The formula usually contains serveral factors that have the same factor levels.

Value

design matrix

Author(s)

Jarrod Hadfield j.hadfield@ed.ac.uk

Examples

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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)
mult.memb(~fac1+fac2)

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