i am using mac OSX 10.7.5, running R version 2.15.2 (2012-10-26) -- "Trick or Treat"
when i do: uncountry <- unique(wvsAB[,7]) wvsAB$numcountry <- match(wvsAB$country, uncountry) "unstate" isn't attaching. > library(base) > uncountry <- unique(wvsAB[,7]) > wvsAB$numcountry <- match(wvsAB$country, uncountry) > ls(wvsAB) [1] "age" "country" "cpi" "dem" "diversity" "educ" "gender" "income" [9] "net" "numcountry" "trust" thanks in advance for any help. ______________________________________________ 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.