Hi, It is not what I want, but, thx anyway. Regards
2011/10/22 Weidong Gu <anopheles...@gmail.com> > try this > > table(sci[,2]=0,sci[,1]=L) > > Weidong Gu > > On Sat, Oct 22, 2011 at 7:51 AM, Adel ESSAFI <adel.s...@imag.fr> wrote: > > Hello, > > is there any help please. > > Regards > > > > > > 2011/10/21 Adel ESSAFI <adeless...@gmail.com> > > > >> Hello > >> I am discovering R and I find it is really very powerful. > >> > >> However, I find some newbie difficulties. > >> > >> Here, I have a data frame with manu values that I want to calculate the > >> frequency (the nomber of line) of the some criteria. > >> For exemple here, I want it to print the number of occurence where > >> sci[,2]=0 and sci[,1]=L. In my exemple, he is printing the number of the > >> line in the result data frame. > >> however, I have at least 90 line with sci[,2]=0 and sci[,1]=L. > >> Thank you in advance for any input. > >> > >> > >> > aggregate(sci[,5],list(sci[,2],sci[,1]),frequency) > >> Group.1 Group.2 x > >> 1 0.0 L 1 > >> 2 0.2 L 1 > >> > >> > >> -- > >> PhD candidate in Computer Science > >> Address > >> 3 avenue lamine, cité ezzahra, Sousse 4000 > >> Tunisia > >> tel: +216 97 246 706 (+33640302046 jusqu'au 15/6) > >> fax: +216 71 391 166 > >> > > > > > > > > -- > > *PhD candidate in Computer Science > > Address > > 3 avenue lamine, cité ezzahra, Sousse 4000 > > Tunisia > > tel: +216 97 246 706 > > fax: +216 71 391 166* > > > > [[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. > > > > > > ______________________________________________ > 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. > -- PhD candidate in Computer Science Address 3 avenue lamine, cité ezzahra, Sousse 4000 Tunisia tel: +216 97 246 706 (+33640302046 jusqu'au 15/6) fax: +216 71 391 166 [[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.
