Ho to all i get the results
mtcars[duplicated(mtcars$wt,fromLast=TRUE),] Hornet Sportabout 18.7 8 360.0 175 3.15 3.44 17.02 0 0 3 2 Duster 360 14.3 8 360.0 245 3.21 3.57 15.84 0 0 3 4 Merc 280 19.2 6 167.6 123 3.92 3.44 18.30 1 0 4 4 mtcars[duplicated(mtcars$wt),] Merc 280 19.2 6 167.6 123 3.92 3.44 18.3 1 0 4 4 Merc 280C 17.8 6 167.6 123 3.92 3.44 18.9 1 0 4 4 Maserati Bora 15.0 8 301.0 335 3.54 3.57 14.6 0 1 5 8 The first occurrence is missing - is there any possibility to get Hornet Sportabout 18.7 8 360.0 175 3.15 3.44 17.02 0 0 3 2 Merc 280 19.2 6 167.6 123 3.92 3.44 18.30 1 0 4 4 Merc 280C 17.8 6 167.6 123 3.92 3.44 18.90 1 0 4 4 Duster 360 14.3 8 360 245 3.21 3.57 15.84 0 0 3 4 Maserati Bora 15.0 8 301 335 3.54 3.57 14.60 0 1 5 8 Kind regards Knut ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.
