##---- Should be DIRECTLY executable !! ----##-- ==> Define data, use random,##-- or do help(data=index) for the standard data sets.## The function is currently defined asfunction (tkx){k<-ncol(tkx)nk<-list(0,k)for (iin1:k){nk[i]<-sum(tkx[,i])}return(unlist(nk))}