Hi I suppose you will not get usefull response for such poorly specified question.
For automating procedures on data frames you can either do looping or use lapply or maybe do.call can also provide some functionality. If you elaborate what you did and in what respect it was unsatisfactory maybe you will get better answer. Anyway, before your next post you shall look to posting guide. Regards Petr On 15 Mar 2007 at 17:20, [EMAIL PROTECTED] wrote: Date sent: Thu, 15 Mar 2007 17:20:57 +0100 From: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> To: "R Help" <R-help@stat.math.ethz.ch> Subject: [R] how to... > I have to perform ANOVA's on many different data organized in a > dataframe. I can run an ANOVA for each sample, but I've got hundreds > of data and I would like to avoid manually carrying out each test. in > addition, I would like to have the results organized in a simple way, > for example in a table, wich could be easy to export. thank you for > assistance > > simone > > > ------------------------------------------------------ > Leggi GRATIS le tue mail con il telefonino i-mode di Wind > http://i-mode.wind.it > > ______________________________________________ > R-help@stat.math.ethz.ch 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. Petr Pikal [EMAIL PROTECTED] ______________________________________________ R-help@stat.math.ethz.ch 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.