Man, the original reply told you to use backticks `` rather than double quotes "". They are very different in R; see ?Quotes
And GSE19829-GPL570_eset is really a bad name. I recommend you to rename it. Regards, Yihui -- Yihui Xie <xieyi...@gmail.com> Phone: 515-294-2465 Web: http://yihui.name Department of Statistics, Iowa State University 2215 Snedecor Hall, Ames, IA On Wed, Feb 15, 2012 at 4:09 PM, Ben Ganzfried <ben.ganzfr...@gmail.com> wrote: > Hi Martin, > > Thanks! You were right. Quotes seemed to work, except I kept running into > a problem on the following line: > > time <- "GSE19829-GPL570_eset$days_to_death" / 365 > > The error is that R atomic vector operator invalid. It's actually much > easier if I could use quotes rather than re-name-- so is there any way to > put quotes around the columns in "GSE19829-GPL570_eset" such that it does > what i want it to? > > In the above "time" example, I just want to take the values in the column > and divide by 365, but the quotes are messing it up. Any clarification > would be really greatly appreciated! > > Thanks! > > Ben > > > > On Wed, Feb 15, 2012 at 4:20 PM, Martin Morgan <mtmor...@fhcrc.org> wrote: > >> On 02/15/2012 12:18 PM, Ben Ganzfried wrote: >> >>> Hey, >>> >>> I keep getting the following warning: >>> >>> data(GSE19829-GPL570_eset) >>>> >>> Warning in data(GSE19829 - GPL570_eset) : >>> data set ‘GSE19829 - GPL570_eset’ not found >>> >>>> ## maybe str(GSE19829-GPL570_eset) ; plot(GSE19829-GPL570_eset) ... >>>> >>> >> Hi Ben -- >> >> '-' is being parsed as a minus sign; you could (I think) quote it >> >> `GSE19829-GPL570_eset` >> >> or better come up with a legal name. >> >> Martin >> >> >>>> if(require(affy)){ >>>> >>> + summary(GSE19829-GPL570_eset$**vital_status) >>> + } >>> Error in summary(GSE19829 - GPL570_eset$vital_status) : >>> object 'GSE19829' not found >>> Execution halted >>> >>> This error does not happen on other of my other .Rd files. None of the >>> other .Rd files have a "-" character in their title. for example, the >>> other files have the following: >>> >>>> data(GSE1234) >>>> >>> OR >>> >>>> data(GSE5678) >>>> >>> >>> I think the issue is the "-" character, but I'm not sure. Does anyone >>> know >>> if this is the case? And if so, how do I fix it? If not, any other >>> suggestions? >>> >>> Much thanks! >>> >>> Ben >>> >>> [[alternative HTML version deleted]] >>> >>> >>> >>> >>> ______________________________**________________ >>> R-help@r-project.org mailing list >>> https://stat.ethz.ch/mailman/**listinfo/r-help<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. >>> >> >> >> -- >> Computational Biology >> Fred Hutchinson Cancer Research Center >> 1100 Fairview Ave. N. PO Box 19024 Seattle, WA 98109 >> >> Location: M1-B861 >> Telephone: 206 667-2793 >> > > [[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.
