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2008 Jun 26
2
stuck on making a line graph across time, with 4 categories
...rell's book, or the R graphics gallery at http://addictedtor.free.fr/graphiques/. Probably not looking efficiently, but anyway, If my data look like this: > head(data) cat startyear studentid 1 other 2001 12 2 UHS 2001 17 3 Lourdes 2001 10 4 Endwell 2001 3 5 other 2002 13 6 UHS 2002 19 > What is the easiest way to make a line graph like this (made this one in Stata): http://bingweb.binghamton.edu/~cryan/Workload.png Thank you. --Chris -- Christopher W. Ryan, MD SUNY Upstate Medical University...