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## File Name: mcdina_collect_itempars.R
## File Version: 0.04
# collect item parameters
mcdina_collect_itempars <- function( I, lc, itempars, itemstat, dat,
G, CC, delta, se.delta, group0_unique )
{
item <- NULL
for (ii in 1:I){
lc.ii <- lc[ lc$item==ii, ]
ip.ii <- itempars[ii]
itemstat.ii <- itemstat[ii,]
if ( ip.ii=="gr" ){
G1 <- G
} else {
G1 <- 1
}
for (gg in 1:G1){ # gg <- 1
delta.ii <- delta[ ii,,,gg ]
se.delta.ii <- se.delta[ ii,,,gg ]
for (cc in 1:itemstat.ii$N.lr ){
lc.ii.cc <- lc.ii[ lc.ii$lr_index==cc, ]
lc.ii.cc <- lc.ii.cc[1,]
item.cc <- data.frame( "item"=colnames( dat )[ii], "itemnr"=lc.ii.cc$item )
item.cc$lr <- lc.ii.cc$lr
item.cc$lr_level <- lc.ii.cc$lr_level
item.cc$Q <- lc.ii.cc$Q
item.cc$lr_index <- lc.ii.cc$lr_index
item.cc$max.cat <- lc.ii.cc$max.cat
item.cc$partype <- itemstat.ii$partype
item.cc$group <- group0_unique[gg]
if ( item.cc$partype !="gr" ){ item.cc$group <- NA }
d1 <- t( delta.ii[,cc] )
colnames(d1) <- paste0( "Cat", 1:CC )
if ( itemstat.ii$N.cat < CC ){
d1[ 1, seq(itemstat.ii$N.cat + 1, CC ) ] <- NA
}
item.cc <- cbind( item.cc, d1 )
d1 <- t( se.delta.ii[,cc] )
if ( itemstat.ii$N.cat < CC ){
d1[ 1, seq(itemstat.ii$N.cat + 1, CC ) ] <- NA
}
colnames(d1) <- paste0( "se.Cat", 1:CC )
item.cc <- cbind( item.cc, d1 )
item <- rbind( item, item.cc )
}
}
}
item <- item[ ! is.na(item$itemnr), ]
return(item)
}
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