[R] filed plot symbols

Bill Simpson wsi at gcal.ac.uk
Tue Oct 17 11:57:36 CEST 2000

This example,


works if I use pch = one of 21-25. But if I use pch= one of 0-6, it
doesn't work: the line goes through the empty symbols (instead of
the symbols appearing solid).

I was just curious why this is set up this way. Symbols 21-25 just seem to
repeat some others (e.g. 21 and 1 are both circles), except that the early
ones are not fillable with the bg="white" trick. I wonder why not just
remove the existing symbols 1-6 and replace them with the 21-25
counterparts. (There probably is a good reason why it is set as it is)


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