emxGeneticFactorVariance: Creates a variance matrix accoring to the Genetic Factor...

In jpritikin/emx: Easy Model-Builder Functions for 'OpenMx'

Description

This function creates a variance matrix according to the genetic factor model

Usage

emxGeneticFactorVariance(x, name, values=.8, free=TRUE, lbound=NA, ubound=NA)

Arguments

x	character vector. The names of the variables used for the matrix.
name	character. The name of the variance matrix created.
values	numeric vector. The starting values for the lower triangular matrix.
free	logical vector. Whether the lower triangular elements are free.
lbound	numeric vector. Lower bounds on free parameters.
ubound	numeric vector. Upper bounds on free parameters.

Value

A list with two components. The first component is the factor loadings matrix. The second component is an MxAlgebra, the result of which is the variance matrix implied by the factor loadings.

See Also

emxCholeskyVariance

Examples

   
# Create a genetic factor variance matrix
require(EasyMx)
xvars <- paste0('x', 1:2)
emxGeneticFactorVariance(xvars, 'D')

jpritikin/emx documentation built on May 19, 2019, 11:50 p.m.