[R] x-axis label for boxplot

[John Sorkin]

Thank you!
John

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)

>>> "Robert Baer" <rbaer at atsu.edu> 2/8/2012 8:07 PM >>>
xlab =  needs to be names =   see ?boxplot

boxplot(jdata[,"x"],jdata[,"y"],jdata[,"z"],names=c("x 
values","yvalues","zvalues"))


-----Original Message----- 
From: John Sorkin
Sent: Wednesday, February 08, 2012 6:48 PM
Cc: r-help
Subject: [R] x-axis label for boxplot

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"))

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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