Hello All, I have 8 variables named a b c d e f g h I need to create four variables from these 8 vraibles in R. the new variables are ab,cd,ef,gh. Can anyone pleas help me thanks, Pratap --------------------------------- [[alternative HTML version deleted]]
You may not have told us quite enough to be able to help you. It may be worth your while investing some time in describing the problem you are trying to solve a little bit more comprehensively. The posting guide http://www.R-project.org/posting-guide.html can be useful in helping you frame a question that stands a better chance of receiving help. Regards, Mike On 9/26/06, nalluri pratap <pratap_stat at yahoo.co.in> wrote:> Hello All, > > I have 8 variables named > > a b c d e f g h > > I need to create four variables from these 8 vraibles in R. > > the new variables are ab,cd,ef,gh. > > Can anyone pleas help me > > thanks, > Pratap > > > > > --------------------------------- > > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help at 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. >-- Regards, Mike Nielsen
Depends on what these variables are. Are these vectors? if so a simple a*b etc should work. If they are columns of a data frame DF? then DF$a*DF$b. If these variables are part of a function then also a*b should work. On 9/26/06, nalluri pratap <pratap_stat@yahoo.co.in> wrote:> > Hello All, > > I have 8 variables named > > a b c d e f g h > > I need to create four variables from these 8 vraibles in R. > > the new variables are ab,cd,ef,gh. > > Can anyone pleas help me > > thanks, > Pratap > > > > > --------------------------------- > > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. >-- Ritwik Sinha Graduate Student Epidemiology and Biostatistics Case Western Reserve University http://darwin.cwru.edu/~rsinha [[alternative HTML version deleted]]