Have a look at http://www.burns-stat.com/documents/tutorials/impatient-r/ . I think the section on blank screen syndrome may help.
John Kane Kingston ON Canada > -----Original Message----- > From: montana3...@gmail.com > Sent: Tue, 11 Jun 2013 16:59:34 -0700 > To: ruipbarra...@sapo.pt > Subject: Re: [R] help using code > > Hello, > > Thanks for the help! > > Your answer resolved my problem with the function I listed, but brought > up > a larger question. How is the output of the importdata function stored > for > use with other functions (as in, how do I call on that data for use with > other functions)? As a simple example I have another function: > > meanXY = function(xyzuvw) { > xy = c(mean(xyzuvw$x), mean(xyzuvw$y)) > return(xy) > } > > I know that the xyzuvw portion is referring to the output of the > importdata function, but I don't know how to call up the necessary data > (hope this makes sense). > > Thanks again for the help! > > John > > > > > On 6/11/13 3:05 PM, "Rui Barradas" <ruipbarra...@sapo.pt> wrote: > > >Hello, >> > >I believe you are making a confusion on how to call a function in R. You > >don't replace the argument in the function declaration. what you do is > >to call the function like this: >> > >importdata("~/path to/filename.xyzuvwrgb") >> > >leaving the function definition alone. >> > >Hope this helps, >> > >Rui Barradas >> > >Em 11-06-2013 19:52, John McDermott escreveu: >>> Hi R-helpers, >>> >>> I inherited some code that I'm trying to use. As a very new R user I'm >>> having some confusion. >>> >>> I have some input files in the form: filename.xyzuvwrgb which I'm > >>trying to >>> import using: >>> >>> importdata = function(filename) { >>> >>> p = scan(filename,what=list(x = double(), y = double(), z = > >>double(), u >>> = double(),v=double(),w=double()),skip=1,flush=TRUE,sep=" ") >>> >>> return(data.frame(x=p$x, y=p$y, z=p$z, u=p$u, v=p$v, w=p$w)) >>> >>> } >>> >>> >>> >>> For the filename I replaced both with "~/path to/filename.xyzuvwrgb" > >>and I >>> get the following errors: >>> >>> >>> >>> Error: unexpected string constant in "importdata = >>> function("~/Desktop/thrustScarp1.xyzuvw"" >>> >>> >>> >>> Error: no function to return from, jumping to top level >>> >>> >>> >>> Error: unexpected '}' in "}" >>> >>> >>> >>> I'm assuming it has to do with how I am using/formatted the >>> function(filename) portion. How can I get this to work? >>> >>> >>> >>> Thanks for the help! >>> >>> >>> >>> >>> >>> >>> >>> [[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. >>> > > ______________________________________________ > 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. ____________________________________________________________ FREE ONLINE PHOTOSHARING - Share your photos online with your friends and family! Visit http://www.inbox.com/photosharing to find out more! ______________________________________________ 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.