R/gdm_est_a_constraints.R

In CDM: Cognitive Diagnosis Modeling

## File Name: gdm_est_a_constraints.R
## File Version: 0.02

gdm_est_a_constraints <- function(a, se.a, a.constraint, increment )
{
    if ( ! is.null( a.constraint) ){
        a[ a.constraint[,1:3,drop=FALSE] ] <- a.constraint[,4,drop=FALSE]
        se.a[ a.constraint[,1:3,drop=FALSE] ] <- 0
        increment[ a.constraint[,1:2,drop=FALSE] ] <- 0
    }
    #--- output
    res <- list( a=a, se.a=se.a, increment=increment )
    return(res)
}