OK, I guess I'm getting better at the data part of R. I wrote a program outside of R this morning to dump a bunch of experimental data. It's a sort of ragged array - about 700 rows and 400 columns, but the amount of data in each column varies based on the length of the experiment. The real data ends with a 0 following some non-zero value. It might be as short as 5 to 10 columns or as many as 390. The first 9 columns contain some data about when the experiment was run and a few other things I thought I might be interested in later. All the data starts in column 10 and has headers saying C1, C2, C3, C4, etc., up to C390 The first value for every experiment is some value I will normalize and then the values following are above and below the original tracing out the path that the experiment took, ending somewhere to the right but not a fixed number of readings.
R reads it in fine and it looks good so far. Now, what I thought I might do with R is plot all 700 rows as individual lines, giving them some color based on info in columns 1-9, but suddenly I'm lost again in plots which I think should be fairly easy. How would I go about creating a plot for even one line, much less all of them? I don't have a row with 1,2,3,4 to us as the X axis values. I could go back and put one in the data but then I don't think that should really be required, or I could go back and make the headers for the whole array 1:400 and then plot from 10:400 but I thought I read that headers cannot start with numbers. Maybe the X axis values for a plot can actually be non-numeric C1, C2, C3, C4, etc and I could use line (C1,0) to (C2,5) and so on? Or maybe I should strip the C from C1 and be left with 1? Maybe the best thing is to copy the data for one line to another data.frame or array and then plot that? Just sort of lost looking at help files. Thanks for any ideas you can send along. Ask questions if I didn't explain my problem well enough. Not looking for anyone to do my work, just trying to get the concepts right Cheers, Mark ______________________________________________ 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.
