[R] Common elements

[Doran, Harold]

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" <silvano using 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 Estatística
>
>Fone: (43) 3371-4346
>
>	[[alternative HTML version deleted]]
>
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