R/cdm_trim_increment.R

In CDM: Cognitive Diagnosis Modeling

## File Name: cdm_trim_increment.R
## File Version: 0.10

cdm_trim_increment <- function( increment, max.increment, type=1 )
{
    increment[ is.na(increment) ] <- 0
    if ( type==1){
        increment <- ifelse(abs(increment)> max.increment,
                    sign(increment)*max.increment, increment )
    }
    if ( type==2){
        eps <- 1E-80
        ci <- ceiling( abs(increment) / ( abs( max.increment) + eps ) )
        increment <- ifelse( abs( increment) > abs(max.increment),
                                increment/(2*ci), increment )
    }
    return(increment)
}