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


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