My bad :( unfortunately does not work correct. This is some of the output of the table .............. [494,] 50 27 [495,] 50 27 [496,] 50 27 [497,] 50 28 [498,] 50 28 [499,] 50 28 [500,] 50 28 [501,] 51 28 [502,] 51 28 [503,] 51 28 [504,] 51 28 [505,] 51 28 [506,] 51 28 [507,] 51 28 [508,] 51 28 [509,] 51 28 [510,] 51 28 [511,] 52 28 [512,] 52 28 [513,] 52 28 [514,] 52 28 [515,] 52 28 [516,] 52 29 [517,] 52 29 [518,] 52 29
............ I need the following results 50 27: 3 50 28: 4 51 28: 10 52 28: 5 52 29: 3 So far nothing worked. Best Regards Alex ________________________________ From: Henrique Dallazuanna <www...@gmail.com> Cc: Rhelp <r-help@r-project.org> Sent: Fri, September 17, 2010 3:09:36 PM Subject: Re: [R] count frequency Try this: aggregate(rep(1, nrow(x)), x, sum) Hello everyone, >please consider the following lines of a matrix > > >[574,] 59 32 >[575,] 59 32 >[576,] 59 32 >[577,] 59 32 >[578,] 59 32 >[579,] 59 32 >[580,] 59 32 >[581,] 60 32 >[582,] 60 33 >[583,] 60 33 >[584,] 60 33 >[585,] 60 33 >[586,] 60 33 >[587,] 60 33 >[588,] 60 33 >[589,] 60 33 >[590,] 60 33 >[591,] 61 33 >[592,] 61 33 >[593,] 61 33 >[594,] 61 33 >[595,] 61 33 >[596,] 61 33 >[597,] 61 33 >[598,] 61 33 >[599,] 61 33 >[600,] 61 33 >[601,] 62 34 > >Is it possible somehow to count the similarities between the first and second >column and put them on a third column like this? > >59 32 3 >60 33 5 >62 34 1 > >where (3,5,1 are the frequencies for (59,32), (60,33) and (62,34) > >Best Regards >Alex > > > > > [[alternative HTML version deleted]] > >______________________________________________ >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. > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O [[alternative HTML version deleted]]
______________________________________________ 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.