Nothing
fitItems=function(nit,order){
tmp=matrix(0,1,nit)
c=list()
for(i in 1:order) c[[i]]=combn(nit,i)
index=lapply(c,ncol)
for(i in 1:order)
for(j in 1:index[[i]]){{
aa=matrix(0,1,nit)
aa[1,c[[i]][,j]]=1
tmp=rbind(tmp,aa)
}}
return(tmp)
}
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