R: Design Matrices for Multiple Membership Models

mult.memb {MCMCglmm} | R Documentation

## Design Matrices for Multiple Membership Models

### Description

Forms design matrices for multiple membership models

### Usage

    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

    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)

[Package MCMCglmm version 2.32 Index]