Perhaps:
plot(1:10,1:10,type="n")
points(1:5,1:5,pch="+")
points(6:10,6:10,pch=20)
legend(5,5, c("A","B"), pch=c("+", NA))
legend(5,5, c("A","B"), pch=c(NA, 20))-Lauri ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
