Sorry, looked like there were a different number of rows in the results because the rownames were different. I also see that the OP was interested in any Groups, not just the two in the example, so your solution probably meets the requirements better than mine
--------------------------------------------------------------------------- Jeff Newmiller The ..... ..... Go Live... DCN:<jdnew...@dcn.davis.ca.us> Basics: ##.#. ##.#. Live Go... Live: OO#.. Dead: OO#.. Playing Research Engineer (Solar/Batteries O.O#. #.O#. with /Software/Embedded Controllers) .OO#. .OO#. rocks...1k --------------------------------------------------------------------------- Sent from my phone. Please excuse my brevity. On October 10, 2015 5:40:37 PM PDT, peter dalgaard <pda...@gmail.com> wrote: > >> On 11 Oct 2015, at 02:12 , Jeff Newmiller <jdnew...@dcn.davis.ca.us> >wrote: >> >> Sorry I missed the boat the first time, and while it looks like Peter >is getting closer I suspect that is not quite there either due to the >T2 being considered separate from T3 requirement. > >Er, what do you mean by that? > >As far as I can tell, we're selecting the same observations: > >> teste[kp,] > ID Group Var >1 3 T2 0.32 >2 4 T3 1.59 >3 1 T2 2.94 >4 1 T2 3.23 >5 1 T2 1.40 >6 1 T2 1.62 >7 1 T2 2.43 >8 1 T2 2.53 >9 1 T2 2.25 >10 1 T3 1.66 >11 1 T3 2.86 >12 1 T3 0.53 >13 1 T3 1.66 >14 1 T3 3.24 >15 1 T3 1.34 >21 2 T2 2.00 >22 2 T2 2.39 >23 2 T2 1.65 >24 2 T2 2.05 >25 2 T2 2.75 >26 2 T2 2.23 >27 2 T2 1.39 >28 2 T2 2.66 >29 2 T2 1.05 >30 2 T3 2.52 ______________________________________________ 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.