Do you mean like this? tmp <- data.frame(v1 = c(1,2,1,4,2), v2 = c(10, 11, 10, 14, 11)) vals <- paste(tmp$v1, tmp$v2, sep ='') tmp[which(vals %in% vals[duplicated(vals)]),]
On 3/8/19, 12:51 PM, "Silvano Cesar da Costa" <silv...@uel.br> wrote: >Hi, > >I have a dataset with ten columns, but I need extract only lines that has >common elements. >The columns are: > > Animal Mother > [1,] 1143 430 > [2,] 1144 134 > [3,] 1146 3 > [4,] 1147 151 > [5,] 1150 230 > [6,] 1156 290 > [7,] 1157 227 > [8,] 1159 757 > [9,] 1160 3 >[10,] 1161 236 >[11,] 1162 231 >[12,] 1164 132 >[13,] 1165 420 >[14,] 1168 290 >[15,] 1169 229 >[16,] 1172 425 >[17,] 1173 134 >[18,] 1174 234 >[19,] 1175 233 >[20,] 1178 239 >[21,] 1179 757 >[22,] 1180 236 >[23,] 1185 420 >[24,] 1186 389 >[25,] 1190 425 >[26,] 1192 235 > >How can I do this? > >Thanks. > >Prof. Dr. Silvano Cesar da Costa >Universidade Estadual de Londrina >Centro de Ciências Exatas >Departamento de EstatÃstica > >Fone: (43) 3371-4346 > > [[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.