Hello, I have data in the following form age sex Int.Prev.Est.1 Int.Prev.Est.2 Int.Prev.Est.3 Int.Prev.Est.4 Int.Prev.Est.5 93110 93 0 23.75482 57.86592 9.755003 4.343534 4.280714 93610 93 1 53.36475 39.47247 4.381618 1.622119 1.159044 94110 94 0 23.47514 58.23936 10.789339 3.690415 3.805741 94610 94 1 53.34524 39.32675 4.602774 1.520247 1.204988 95110 95 0 23.76256 58.18757 9.583178 4.186825 4.279866 95610 95 1 53.14037 39.55376 4.313944 1.632805 1.359124
and want to get it in the form: age sex cat Int.Prev.Est 93 0 1 23.75482 93 0 2 57.86592 93 0 3 9.755003 93 0 4 4.343534 (....) 95 1 4 1.632805 95 1 5 1.359124 I am getting close with reshape, but somehow the categorie varialbe is orderd 1...1, 2...2,3...3,4...4,5....5 instad as 1,2,3,4,5,1,2,3.... reshape(UK.INT, idvar=1:2, times=1:5, varying=c("Int.Prev.Est.1", "Int.Prev.Est.2", "Int.Prev.Est.3", "Int.Prev.Est.4", "Int.Prev.Est.5"),v.names='cat', direction="long") # Here is some example data dput(tail(UK.INT)) structure(list(age = c(93, 93, 94, 94, 95, 95), sex = c(0, 1, 0, 1, 0, 1), Int.Prev.Est.1 = c(2647L, 19706L, 1832L, 15229L, 1277L, 11456L), Int.Prev.Est.2 = c(6448L, 14576L, 4545L, 11227L, 3127L, 8527L), Int.Prev.Est.3 = c(1087L, 1618L, 842L, 1314L, 515L, 930L), Int.Prev.Est.4 = c(484L, 599L, 288L, 434L, 225L, 352L), Int.Prev.Est.5 = c(477L, 428L, 297L, 344L, 230L, 293L)), .Names = c("age", "sex", "Int.Prev.Est.1", "Int.Prev.Est.2", "Int.Prev.Est.3", "Int.Prev.Est.4", "Int.Prev.Est.5"), row.names = c("93110", "93610", "94110", "94610", "95110", "95610"), class = "data.frame") I am wondering whether this is really feasible with reshape. Thanks for any hint. Best, stefan ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.