hi: just a very simple quesion,how to do multiple multiplication in R x<-c(1,2,3,4,5,6) how to get 1*2*3*4*5*6? I checked the Arithmetic Operators in R,but did not found the operators for this function,anyway can do this except the loop? [[alternative HTML version deleted]]
see ?prod Manli Yan wrote:> hi: just a very simple quesion,how to do multiple multiplication in R > x<-c(1,2,3,4,5,6) > how to get 1*2*3*4*5*6? > > I checked the Arithmetic Operators in R,but did not found the operators > for this function,anyway can do this except the loop? > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help at 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.
> 1*2*3*4*5*6[1] 720 Charles Annis, P.E. Charles.Annis at StatisticalEngineering.com phone: 561-352-9699 eFax: 614-455-3265 http://www.StatisticalEngineering.com -----Original Message----- From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On Behalf Of Manli Yan Sent: Wednesday, June 18, 2008 7:22 PM To: r-help at r-project.org Subject: [R] multiple multiplication in R hi: just a very simple quesion,how to do multiple multiplication in R x<-c(1,2,3,4,5,6) how to get 1*2*3*4*5*6? I checked the Arithmetic Operators in R,but did not found the operators for this function,anyway can do this except the loop? [[alternative HTML version deleted]] ______________________________________________ R-help at 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.
Dear Manli, Perhaps: x<-c(1,2,3,4,5,6) prod(x) [1] 720 paste(x,collapse="*",sep="") [1] "1*2*3*4*5*6" HTH, Jorge On Wed, Jun 18, 2008 at 7:22 PM, Manli Yan <manliyanrhelp@gmail.com> wrote:> hi: just a very simple quesion,how to do multiple multiplication in R > x<-c(1,2,3,4,5,6) > how to get 1*2*3*4*5*6? > > I checked the Arithmetic Operators in R,but did not found the operators > for this function,anyway can do this except the loop? > > [[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. >[[alternative HTML version deleted]]