Dear Sirs, Thanks a lot for your great help. This is going to help me immensely in future as many times I had found myself struggling with this problem.
Thanks again for the great help. Regards Vincy --- On Wed, 10/27/10, Dimitri Liakhovitski <dimitri.liakhovit...@gmail.com> wrote: From: Dimitri Liakhovitski <dimitri.liakhovit...@gmail.com> Subject: Re: [R] One silly question about "tapply output" To: "Vincy Pyne" <vincy_p...@yahoo.ca> Received: Wednesday, October 27, 2010, 11:28 AM Assign your result to an object and then write out the object as a csv file. For example: x<-data.frame(rating=rep(letters[1:3],2),rate=runif(1:6)) # example data frame rating.means<-tapply(x$rate,x$rating,mean) write.csv(rating.means,file="my.file.csv",row.names=T) Dimitri On Wed, Oct 27, 2010 at 6:39 AM, Vincy Pyne <vincy_p...@yahoo.ca> wrote: > Dear R helpers > > I have a data which gives Month-wise and Rating-wise Rates. So the input file > is something like > > month rating rate > January AAA 9.04 > February AAA 9.07 > .......................................... > .......................................... > Decemeber AAA 8.97 > January BBB 11.15 > February BBB 11.13 > > > > January CCC 17.13 > ............................................. > ............................................ > December CCC 17.56 > > and so on. > > My objective is to calculate Rating-wise mean rate, for which I have used > > rating_mean = tapply(rate, rating, mean) > > and I am getting following output > >> tapply(rate, rating, mean) > AAA BBB CCC > 9.1104 11.1361637 17.1606779 > > which is correct when compared with an excel output. > > However, I wish to have my output something like a data.frame (so that I > should be able to save this output as csv file with respective headings and > should be able to carry out further analysis) > > Rating Mean > AAA 9.1104 > BBB 11.1361637 > CCC 17.1606779 > > > Please guide as how should I achieve my output like this. > > Thanking in advance. > > Regards > > Vincy > > > > > > > [[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. > > -- Dimitri Liakhovitski Ninah Consulting www.ninah.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.