How do you merge the two data.frames? Could it be that you make an outer join?
HTH Ulrik On Thu, 9 Jun 2016 at 19:45 Michael Dewey <li...@dewey.myzen.co.uk> wrote: > Perhaps I do not understand you correctly but why not create a variable > for the id before you merge? > > On 09/06/2016 09:00, 周 可卫 wrote: > > I got the dataset after merge two old one .The id of the column isn’t > just the number of the column.So when I identify some obs,I got the figure > 28000(though my obs is only 6000).So it causes the trouble to remove these > obs in the dataset.I wander how to make the id of the merged dataset in a > right order.Or what could I do when I did identify the id of the > outliner(but not the number of the column it belongs to ) when I need to > remove those obs. > > Thanks for your time. > > ______________________________________________ > > 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. > > > > -- > Michael > http://www.dewey.myzen.co.uk/home.html > > ______________________________________________ > 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. [[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.
