Hi, Not sure I understand the question, but maybe you need ?unique or ?duplicated
Cheers, Romain mohamed nur anisah wrote: > hello!! > > say that i have the values of x1 and x2. my x1 has longer length than x2. > how am i going to remove the similar values of x1 and x2. Any suggestion?? > Thanks in advance!! > > Cheers, > Anisah > > e f > [1,] 17358865 17906353 > [2,] 17966995 21295547 > [3,] 21306539 27880531 > [4,] 27880531 34118702 > [5,] 34166504 35395488 > [6,] 36111044 36132622 > [7,] 36266288 37916920 > [8,] 36854306 43786190 > [9,] 43786190 44322336 > [10,] 44322336 46302360 > [11,] 45529444 53494622 > [12,] 46302360 62105336 > [13,] 53479132 63817440 > [14,] 58567262 72637088 > [15,] 60564442 79875476 > [16,] 72637088 94545992 > [17,] 79875476 96506368 > [18,] 93155112 103123936 > [19,] 94372260 116908456 > [20,] 96643396 126190072 > [21,] 103123936 127446552 > [22,] 116908456 131781664 > [23,] 131781664 154658264 > [24,] 132968364 176302744 > [25,] 135945080 181670472 > [26,] 141788832 182625272 > [27,] 149924864 182878168 > [28,] 156539568 183946152 > [29,] 157817896 NA > [30,] 162399496 > [31,] 168344072 > [32,] 173146584 > [33,] 176302744 > [34,] 182878168 > [35,] 183946152 > [36,] 185068720 > [37,] 190791232 > [38,] NA -- Introduction to R training course :: London :: 06-07 March 2008 http://www.mango-solutions.com/services/rtraining/r_intro.html ______________________________________________ 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.