--- On Fri, 5/20/11, David Winsemius <dwinsem...@comcast.net> wrote:
> From: David Winsemius <dwinsem...@comcast.net> > Subject: Re: [R] Adding a numeric to all values in the dataframe > To: "John Kane" <jrkrid...@yahoo.ca> > Cc: bill.venab...@csiro.au, ramya.vict...@gmail.com, r-help@r-project.org > Received: Friday, May 20, 2011, 10:11 PM > > On May 20, 2011, at 9:50 PM, John Kane wrote: > > > I didn't quite understand your first post. Was it > intended to assure > > that the operation was only on numeric variables? > > Prezactly. Okay that's what I suspected, thanks. You're slurring your words BTW. > > > > Otherwise I don't see the differnce in applying > the operation to a > > totally numeric data.frame and a matrix. > > > > > > > > -- On Fri, 5/20/11, bill.venab...@csiro.au > <bill.venab...@csiro.au> > > > wrote: > > > >> From: bill.venab...@csiro.au > <bill.venab...@csiro.au> > >> Subject: Re: [R] Adding a numeric to all values in > the dataframe > >> To: bill.venab...@csiro.au, > ramya.vict...@gmail.com, > r-help@r-project.org > >> Received: Friday, May 20, 2011, 9:37 PM > >> Oops > >> > >> The first line of my template should use > data.matrix() > >> rather than data.frame() > >> > >> data.matrix() is guaranteed to return a numerical > matrix > >> from a data frame, making arithmetic always > possible. > >> > >> Bill Venables. > >> > >> ________________________________________ > >> From: Venables, Bill (CMIS, Dutton Park) > >> Sent: 20 May 2011 14:30 > >> To: 'Ramya'; 'r-help@r-project.org' > >> Subject: RE: [R] Adding a numeric to all values in > the > >> dataframe > >> > >> For that kind of operation (unusual as it is) work > with > >> numeric matrices. When you are finished, if > you still > >> want a data frame, make it then, not before. > >> > >> If your data starts off as data frame to begin > with, turn > >> it into a matrix first. E.g. > >> > >> myMatrix <- data.frame(myData) > >> myMatrix2 <- myMatrix + 2 > >> myData2 <- data.frame(myMatrix2) > >> > >> Bill Venables. > >> > >> -----Original Message----- > >> From: r-help-boun...@r-project.org > >> [mailto:r-help-boun...@r-project.org] > >> On Behalf Of Ramya > >> Sent: Friday, 20 May 2011 1:54 PM > >> To: r-help@r-project.org > >> Subject: [R] Adding a numeric to all values in > the > >> dataframe > >> > >> Hi there > >> > >> I just want to add 2 to all the values in > dataframe. > >> > >> I tried using sapply but it seem to die all the > time. > >> > >> Any help would be appreciated. > >> > >> Thanks > >> Ramya > >> > >> -- > >> View this message in context: > >> http://r.789695.n4.nabble.com/Adding-a-numeric-to-all-values-in-the-dataframe-tp3537594p3537594.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. > >> > >> ______________________________________________ > >> 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. > >> > > > > ______________________________________________ > > 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. > > David Winsemius, MD > West Hartford, CT > > ______________________________________________ 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.
