Read about the all.x and all.y arguments to ?merge. On April 21, 2020 7:53:33 AM PDT, Ana Marija <sokovic.anamar...@gmail.com> wrote: >Hello, > >> head(a) > ID_1 pheno >1 0 B >2 fam1000_G1000 0 >3 fam1001_G1001 0 >4 fam1003_G1003 1 >5 fam1005_G1005 0 >6 fam1009_G1009 0 >> head(b) > ID_1 ID_2 missing >1 0 0 0 >2 fam1000_G1000 fam1000_G1000 0 >3 fam1001_G1001 fam1001_G1001 0 >4 fam1003_G1003 fam1003_G1003 0 >5 fam1005_G1005 fam1005_G1005 0 >6 fam1009_G1009 fam1009_G1009 0 >> dim(b) >[1] 1602 3 >> dim(a) >[1] 1652 2 >> m=merge(a,b,by="ID_1") >> dim(m) >[1] 1499 4 >> head(m) > ID_1 pheno ID_2 missing >1 0 B 0 0 >2 fam0110_G110 1 fam0110_G110 0 >3 fam0117_G117 1 fam0117_G117 0 >4 fam0124_G124 <NA> fam0124_G124 0 > >I would like my merged file (m) to have the same number of lines like >(b), that is 1602. Can you please let me know how would I do that? > >Thanks >Ana > >______________________________________________ >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.
-- Sent from my phone. Please excuse my brevity. ______________________________________________ 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.
