Hi, You need to tell R where to find them, since they aren't R objects. (You can see all the actual objects with ls().)
Two of the many options: with(demand, plot(Qty, Date)) plot(demand$Qty, demand$Date) Sarah On Fri, May 27, 2011 at 2:35 PM, Struckmeier, Nathanael <nstruckme...@harryanddavid.com> wrote: > Hello List! > > > > Thank you for your input so far. I have successfully imported my data > into R but have hit a snag in plotting. Simple plot commands are unable > to find my headers when I try and plot my data on an x/y scatter. > > > > My data is a 2 column 8000 row table (saved as .txt file) imported into > R. > >>demand=read.delim("C:\\Documents and Settings\\E066582\\My > Documents\\R\\R-2.13.0\\bin\\demand.txt") > > > > First rows with headers are as shown: > >> demand[1,] > > Date Qty > > 1 12/31/2006 1 > > With two columns Date/Qty. > > > > I attempted to plot and received an error. My headers were not found as > an object in R...maybe I'm missing something, but I was under the > impression I didn't need to create each header as an object... > >> plot(Qty, Date) > > Error in plot(Qty, Date) : object 'Qty' not found > >> plot(Date, Qty) > > Error in plot(Date, Qty) : object 'Date' not found > > > > What step in plotting am I missing? > > > > -- Sarah Goslee http://www.functionaldiversity.org ______________________________________________ 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.