m.marcinmichal <m.marcinmichal <at> gmail.com> writes: > > Hi, > It's my problem, supppose that we have a data.frame: > -snip-
You should avoid using t as a variable name since its an important R function! > I need extract duplicat row i.e i nedd frame like this > > a b c > 3 1 1 1 > 8 0 1 0 > not sure if this will get you there but if you data is in a variable named dat... > unique(dat[duplicated(dat),]) a b c 3 1 1 1 8 0 1 0 > I try use subset(t, duplicated(t)) and t[duplicated(t), ] but this command > return > > a b c > 3 1 1 1 > 7 1 1 1 > 8 0 1 0 > > Best > > Marcin M. > > -- > View this message in context: http://r.789695.n4.nabble.com/Removing-all-duplicate-row-except-by-one-tp3736949p3736949.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ R-help@r-project.org mailing list 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.