[R] draw a graphic using segments to represent data

From: Wang, Xuetao <Xuetao.Wang_at_childrens.harvard.edu>
Date: Wed 10 May 2006 - 05:10:37 EST


I'd like to draw a graphic using different color line segments to represent microarray data. It simply likes this:

Data=cbind(c(1, 2, -1, 3, -2.2), c(1, 3, -1, -1.8, 4))

The first col No represents y'axis position (negative down and positive up). The second col No represents a length of segment (negative segment should be on left of y, and positive on right). Also the segment color on I, II, III, IV should be different.  

Thank you for your time and help.  


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