Greetings, I am new to R. Right now I'm most interested in the spaghetti plots of achievement over time by student ID associated with longitudinal analysis. How can I do a spaghetti plot of all students, but color the lines by group membership such as gender or race, and indicate this color scheme in the legend? Any advice would be much appreciated.
Jack Jack B. Monpas-Huber, Ph.D. Director of Assessment & Student Information Shoreline Public Schools 18560 1st Ave NE Shoreline, WA 98155 (206) 368-4774 Office (206) 947-9926 Cell Shoreline Assessment Web site My Web site [[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.