id {asreml}R Documentation

Default identity variance models.

Description

Model functions for identlty variance models.

Usage

id(obj)

idv(obj, init=NA)

idh(obj, init=NA)

Arguments

obj

A factor in data.

init

Optional vector of initial values with an optional names attribute from the set {“P”, “U”, “F”} specifying the boundary constraint for each parameter as positive, unconstrained or fixed, respectively.

Details

The class of identity models includes the null correlation model id, and its homogeneous and heterogeneous variance forms (idv and idh).

Functions


[Package asreml version 4.1.0.106 Index]