Nothing
get.counts <-
function( x, state.num){
count.mat<-matrix(0, nrow=state.num, ncol=state.num)
row.len<-length(x)
for(i in 2:row.len){
count.mat[x[i-1], x[i]] <- count.mat[x[i-1], x[i]] + 1
}
return(count.mat)
}
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