In the same way they would be different in any programming language. See R FAQ 7.31. --------------------------------------------------------------------------- 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 April 14, 2015 12:39:50 PM PDT, Vikram Chhatre <crypticline...@gmail.com> wrote: >I have a data frame of dim 3x600. There are pairs of rows which have >the >exact same value in column 3. > >head(df) > POP1 POP2 ABSDIFF >L0005.01 0.98484848 0.688118812 0.2967297 >L0005.03 0.01515152 0.311881188 0.2967297 >L0008.02 0.97727273 0.004424779 0.9728479 >L0008.04 0.02272727 0.995575221 0.9728479 >L0012.03 0.98684211 0.004385965 0.9824561 >L0012.01 0.01315789 0.995614035 0.9824561 > >I want to unique sort on df$ABSDIFF so that only one row per pair >remains >in the subset. > >>df_subset <- df[df(!duplicated(df$ABSDIFF), ] > >This does not work. So I literally checked: > >>identical(df[1,3], df[2,3]) >FALSE > >How is 0.2967297 different from 0.2967297? I am puzzled. > >Thanks for any insight. > >Vikram > > [[alternative HTML version deleted]] > >______________________________________________ >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. ______________________________________________ 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.