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2011 Sep 01
2
Including only a subset of the levels of a factor XXXX
Hello everyone, I have the following factor: levels(pp_income) [1] "" "1" "2" "3" "4" "5" "6" "7" [9] "8" "9" "Renter" I want to subset so that only values 1:9 are included. I have the following: > income<-pp_income[pp_income %in%