at.set {MCMCglmm}

Incidence Matrix of Combined Levels within a Factor

Description

Incidence Matrix of Combined Levels within a Factor

Usage

at.set(x, level)

Arguments

x

factor

level

set of factor levels

Value

incidence matrix for the set level in x

Author(s)

Jarrod Hadfield [e-mail]

See Also

at.level

Examples

fac<-gl(3,10,30, labels=letters[1:3])
x<-rnorm(30)
model.matrix(~at.set(fac,2:3):x)