Hi Oliver, Thank you for your reply. I can't use vectors as each var_1, var_2 is a new column/variable, not a new observation within a vector. But thank you, Kat -- View this message in context: http://r.789695.n4.nabble.com/Printing-a-variable-in-a-loop-tp4634673p4634756.html Sent from the R help mailing list archive at Nabble.com.