Hi Alain, I think you're looking for %in% (see ?'%in%' for the help page)
id.vector <- c(1,3) ## here you define the values you want to select: x, y, z...
subset(df, id %in% id.vector) HTH, Ivan -- Ivan Calandra, ATER University of Reims Champagne-Ardenne GEGENAA - EA 3795 CREA - 2 esplanade Roland Garros 51100 Reims, France +33(0)3 26 77 36 89 [email protected] https://www.researchgate.net/profile/Ivan_Calandra Le 23/01/15 10:50, D. Alain a écrit :
Dear R-List, I have nested data with cases grouped by IDs and I want to remove all cases with specific IDs. something like df<-data.frame(id=c(1,1,1,2,2,2,3,3,3,4,4,4,5,5,5),var=c(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15)) subset(df,id== 1 | id == 3) Having a very large dataset with many IDs to remove this solution leaves me to write quite a long list of "id == x | id == y | id == z ...". I wonder if there is a more elegant way to do this? I tried with "id = c(x,y,z)" but this did not give the proper result. Any suggestions? Thank you! Best wishes Alain[[alternative HTML version deleted]] ______________________________________________ [email protected] 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.
______________________________________________ [email protected] 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.

