Hello Nancy, I think you will need to provide more information if you hope to get useful advice from the list. For an idea of what should be sent, see the posting guide:
http://www.R-project.org/posting-guide.html At a minimum, I suggest sending the code you are executing and a sample of the data you are attempting to read. Cheers, ~Jason On 2009.12.15 22:37:30, Nancy Adam wrote: > > Hi all, > > Could you please help me in solving the following error message: > Error in `[.data.frame`(mytestdata, fp_temp == 1) : > undefined columns selected > > when I use scan instead on read.table, I reicieve this message: > Error in names(ret2) <- rowns : > 'names' attribute [172] must be the same length as the vector [152] > > Many thanks, > Nancy -- Jason W. Morgan Graduate Student Department of Political Science *The Ohio State University* 154 North Oval Mall Columbus, Ohio 43210 ______________________________________________ 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.
