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klassenstufe
2005 Nov 09
2
error in NORM lib
...snip--->
library(norm)
rngseed(1234)
load(url("http://www.anicca-vijja.de/lg/dframe.Rdata")) # load object
"dframe"
dim(dframe)
apply(dframe,2,function(x) sum(is.na(x))) # check how many NAs in the
dataset
#dframe <-
subset(dframe,select=-c(alter,grpzugeh,is1,is4,is6,klassenstufe,mmit,vorai,vorap,voras,vorkf,vorsg,vorvb))
s1 <- prelim.norm(dframe)
s1$nmis # re-check of NAs should be identical to above
s2 <- prelim.norm(dframe[,1:32])# see below -> still NAs are available -
_not_ imputed
thetahat1 <- em.norm(s1)
theta1 <- da.norm(s1,thetahat1,steps=20,show...