You might need to change the type quantile. The default is type = 7, whereas default for SAS is type = 3 and for SPSS type = 6. Have a look at the helpfile of quantile() for more details on the type.
HTH, Thierry ------------------------------------------------------------------------ ---- ir. Thierry Onkelinx Instituut voor natuur- en bosonderzoek / Research Institute for Nature and Forest Cel biometrie, methodologie en kwaliteitszorg / Section biometrics, methodology and quality assurance Gaverstraat 4 9500 Geraardsbergen Belgium tel. + 32 54/436 185 thierry.onkel...@inbo.be www.inbo.be To call in the statistician after the experiment is done may be no more than asking him to perform a post-mortem examination: he may be able to say what the experiment died of. ~ Sir Ronald Aylmer Fisher The plural of anecdote is not data. ~ Roger Brinner The combination of some data and an aching desire for an answer does not ensure that a reasonable answer can be extracted from a given body of data. ~ John Tukey -----Oorspronkelijk bericht----- Van: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] Namens premmad Verzonden: woensdag 23 september 2009 10:56 Aan: r-help@r-project.org Onderwerp: Re: [R] use of class variable in r as in Proc means of sas Thanks for the help.I got the required quantiles by altering ur code as follows qfu<-function(x,digits=3,sci=F,...) {c(q=quantile(x,probs=c(5,90)/100)) } and my result of the R system is different from my sas system output for the same function .could anyone help me in this and what is the reason for difference in results .I have attached both outputs R output: zip price.q.5% price.q.90% 1 60000 567000.0 567000 2 60001 709184.4 390626852 3 60002 20349692.4 358154046 4 60003 49847874.0 49847874 5 60004 469447.9 3972289 6 60005 5431407.0 88118012 7 60006 23457082.6 341022805 SAS output: zip Obs 5th Ptcl 90th Pctl 60000 1 567000.00 567000.00 60001 3 478654.00 487587575 60002 2 478848.00 397895735 60003 1 49847874.00 49847874.00 60004 3 467648.00 4843949.00 60005 2 567489.00 97845848.00 60006 2 4776746.00 378383478 I have already checked that SAS and SPSS produces the same output.Do i'm missing anything when using the function quantile -- View this message in context: http://www.nabble.com/use-of-class-variable-in-r-as-in-Proc-means-of-sas -tp25530654p25531047.html Sent from the R help mailing list archive at Nabble.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. Druk dit bericht a.u.b. niet onnodig af. Please do not print this message unnecessarily. Dit bericht en eventuele bijlagen geven enkel de visie van de schrijver weer en binden het INBO onder geen enkel beding, zolang dit bericht niet bevestigd is door een geldig ondertekend document. The views expressed in this message and any annex are purely those of the writer and may not be regarded as stating an official position of INBO, as long as the message is not confirmed by a duly signed document. ______________________________________________ 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.