Dear Sir,  Thanks a lot for your solution and guidance. It worked wonderfully.  Regards  Maithili
--- On Thu, 27/8/09, Gabor Grothendieck <ggrothendi...@gmail.com> wrote: From: Gabor Grothendieck <ggrothendi...@gmail.com> Subject: Re: [R] Fw: PROBLEM - - COMPARING AND COMBINING two DATASETS To: "Maithili Shiva" <maithili_sh...@yahoo.com> Cc: r-help@r-project.org Date: Thursday, 27 August, 2009, 2:09 PM Try this: xtabs(B ~ factor(A, seq(max(A)))) On Thu, Aug 27, 2009 at 8:26 AM, Maithili Shiva<maithili_sh...@yahoo.com> wrote: > > > > > > > > Dear Sirs, > > At the outset I sincerely apologize for reproducing my query to you. I also > thank all of you for the solution you had provided. It has worked on the > actual data I am working with. > > However, there is this peculiar problem which I had realized only after I had > obtained my results. > > e.g. in the example I had attached > > A <- c(2, 2, 1, 3, 7, 3, 3, 1, 14, 7, 31) > B <- c(0.0728,0.9538,4.0140,0.0020,2.5593,0.1620,2.513,0.3798, > .0033,0..2282, 0.1614) > > tapply( B, A, sum) > > I get R output as â > >  1         2        3          7    >       14        31 > 4.3938  1.0266  2.6770   2.7875   0.0033   0.1614 > > However, my requirement is I should get the output as > > 1          2         3        4  5  6  7  >       8  9 â¦. 14 â¦â¦â¦..31 > 4.3938 1.0266  2.6770   0  0  0  2.7875  0  0 ..0.0033 .. 0.161 > > i.e. my output should include the values 4, 5, 6, etc. which are not part of > dataset A and the corresponding totals in B (which are anyways 0âs). I need > this for my further analysis. Its possible for me to add these 0âs > manually, however when the dataset is large, its not practical. > > I am attaching herewith an excel file. I will be grateful if you can guide me. > > Thanks in advance > > Maithili > start: 2009-08-18 end: 0000-00-00 > > Thinking of ordering food? Find restaurant numbers on Yahoo! India Local > > >    Love Cricket? Check out live scores, photos, video highlights and > more. Click here http://cricket.yahoo.com > ______________________________________________ > 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. > > Love Cricket? Check out live scores, photos, video highlights and more. Click here http://cricket.yahoo.com [[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.