Just negate the result of %in%; e.g., ! a %in% b
Andy From: Ghislain Vieilledent > > Dear r-list, > > I've got a data base: > > HData[1:10,] > NumTree Site Species Date Age DBH H IdentTree > 1 1 Queige Spruce 2002 184 49 33.5 Queige 1 > 2 2 Queige Fir 2002 NA 5 4.6 Queige 2 > 3 3 Queige Fir 2002 25 8 6.6 Queige 3 > 4 4 Queige Spruce 2002 198 47 32.5 Queige 4 > 5 5 Queige Fir 2002 200 59 35.3 Queige 5 > 6 6 Queige Spruce 2002 80 16 9.4 Queige 6 > 7 7 Queige Fir 2002 NA 5 4.2 Queige 7 > 8 8 Queige Fir 2002 200 44 32.5 Queige 8 > 9 9 Queige Fir 2002 NA 5 3.4 Queige 9 > 10 10 Queige Spruce 2002 167 48 32.8 Queige 10 > ... > > I want to remove particular points determined by > > HDataPartP<-HData[H<1.30,] > and > > HDataPartP2<-HData[H<8&DBH>20,] > > That's why I want to use subset in a close form to: > HData2<-subset(HData,HData$H>1.30&HData$IdentTree > "not"%in%HDataPartP2$IdentTree) > > How should I do that ? > Is there any R-syntax saying "not element of that object" ? > > Thanks for your help. > > Ghislain. > > -- > Ghislain Vieilledent > 06 24 62 65 07 > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html > > ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html