[R] Drawing schematics

George Chen glchen at stanford.edu
Fri May 29 05:00:01 CEST 2009


I would like to represent the treatment course of a subject with an arrow representing passage through time and various ticks, arrows, or bars representing treatments done to the patient along the arrow.  I would like to generate this sort of schematic for each patient in a database taking information from the database such as time of treatment and type of treatment.

Does anybody know how I can do this?  Is there a premade R package for this sort of thing or should I try to make a new graphics function?  If a new graphics function, where could I start?

Thanks in advance.


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