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## File Name: IRT.data.R
## File Version: 0.11
###########################################################
# extracts used dataset
IRT.data <- function(object, ...)
{
UseMethod("IRT.data")
}
###########################################################
IRT.data.din <- function( object, ... ){
dat <- object$dat
attr(dat,"weights") <- object$control$weights
attr(dat,"group") <- object$control$group
return(dat)
}
############################################################
IRT.data.gdina <- IRT.data.din
IRT.data.gdm <- IRT.data.din
IRT.data.mcdina <- IRT.data.din
IRT.data.slca <- IRT.data.din
#############################################################
IRT.data.reglca <- function( object, ... )
{
dat <- object$dat0
attr(dat,"weights") <- object$weights
attr(dat,"group") <- NULL
return(dat)
}
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