Thanks! It works well.
2011/2/18 Dimitris Rizopoulos <d.rizopou...@erasmusmc.nl> > say, 'Dat' is your data frame, then one way to do it is: > > with(Dat, tapply(freq, list(hair, eye, sex), c)) > > > I hope it helps. > > Best, > Dimitris > > > > > On 2/18/2011 8:50 AM, Lao Meng wrote: > >> The data is in the attachment. >> >> What I wanna get is: >> , , Sex = Male >> Eye >> Hair Brown Blue Hazel Green >> Black 32 11 10 3 >> Brown 53 50 25 15 >> Red 10 10 7 7 >> Blond 3 30 5 8 >> , , Sex = Female >> Eye >> Hair Brown Blue Hazel Green >> Black 36 9 5 2 >> Brown 66 34 29 14 >> Red 16 7 7 7 >> Blond 4 64 5 8 >> >> >> Then,how to change the dataframe to tables? >> >> Many thanks for your help. >> >> Best >> >> >> >> ______________________________________________ >> 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<http://www.r-project.org/posting-guide.html> >> and provide commented, minimal, self-contained, reproducible code. >> > > -- > Dimitris Rizopoulos > Assistant Professor > Department of Biostatistics > Erasmus University Medical Center > > Address: PO Box 2040, 3000 CA Rotterdam, the Netherlands > Tel: +31/(0)10/7043478 > Fax: +31/(0)10/7043014 > Web: http://www.erasmusmc.nl/biostatistiek/ > [[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.
