Hello, > > Yes ,It worked. So how can I insert it in my code? Please > Simply like this: #for (n in 1:length(listfile)) #{ # h=listfile[n] # for(h in listfile) { Rui Barradas -- View this message in context: http://r.789695.n4.nabble.com/Min-Max-tp4593065p4595458.html Sent from the R help mailing list archive at Nabble.com.