R help - Sep 2006 - (no subject)

HI,

New to R and working through:

http://www.cyclismo.org/tutorial/R/plotting.html

I have:

R for Mac OS X Aqua GUI written by:
	Simon Urbanek
	Stefano M. Iacus

Version 1.16 (3198)

This set of commands:

 > hist(w1$vals,main='Leaf BioMass in High CO2  
Environment',xlab='BioMass of Leaves',ylim=c(0,16))
 > boxplot(w1$vals,horizontal=TRUE,at=15.5,add=TRUE,axes=FALSE)

Only produces the histogram. There is no evidence of the boxplot in  
the graphic output.

Can anyone comment on this?
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