On Feb 8, 2012, at 7:48 PM, John Sorkin wrote:
I am trying to produce three boxplots and label the x axis values:
xvalues, yvalues, zvalues.
My code is below. The labels are not below the three boxplots. If
you could show me how to get the
labels below the columns I would be appreciative.
John
jdata<-data.frame(x =
rnorm(100),y=rnorm(100,1),z=rnorm(100,-1),y=runif(100))
boxplot(jdata[,"x"],jdata[,"y"],jdata[,"z"],xlab=c("x
values","yvalues","zvalues"))
You seem to be suffering under the delusion (fostered by the naming
conventions and the state of documentation that does a poor job of
distinguishing these issues) that "xlab" and "ylab" are going to be
labels for individual groups or values along axes. They are not.
Instead (.. and using something more generic for xlab like "Grouping")
axis( 1, at=1:3, labels=c("x values","yvalues","zvalues") )
--
David.
John David Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
University of Maryland School of Medicine Division of Gerontology
Baltimore VA Medical Center
10 North Greene Street
GRECC (BT/18/GR)
Baltimore, MD 21201-1524
(Phone) 410-605-7119
(Fax) 410-605-7913 (Please call phone number above prior to faxing)
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