Re: [R] R extract vertices for polygon

2009-07-22 Thread David Winsemius
On Jul 21, 2009, at 10:18 PM, Angel Marley wrote: Dear R users, I'm trying to extract from a given matrix (GROUP) the coordinates of the vertices of the different groups (i.e. 3, 7, 1 . . .) to plot the polygons to delineate the area in which each group "wins" and colour it diferentially

[R] R extract vertices for polygon

2009-07-21 Thread Angel Marley
Dear R users, I'm trying to extract from a given matrix (GROUP) the coordinates of the vertices of the different groups (i.e. 3, 7, 1 . . .) to plot the polygons to delineate the area in which each group "wins" and colour it diferentially. I can make a simple point plot, but I would like to ad