[R] Selecting vector elements using other vectors

Dear R-Help, I have a data frame and a vector df=data.frame(Letter=c(Z,Q,R,A,E,F), Number=c(11,32,4,1,9,3)) v=c(C,Q,R,A,E) From df, I'd like to construct a subset of the field Number, with deletions dictated by the vector, v, of letters. I've succeeded in doing this for a single deletion (for

Re: [R] Selecting vector elements using other vectors

See ?is.element ?%in% HTH, Chuck On Wed, 29 Apr 2009, 00alastair00 wrote: Dear R-Help, I have a data frame and a vector df=data.frame(Letter=c(Z,Q,R,A,E,F), Number=c(11,32,4,1,9,3)) v=c(C,Q,R,A,E) From df, I'd like to construct a subset of the field Number, with