
Thank you all for your comments. The bxp() function does the trick well!



> Subject: RE: [R] boxplot knowing Q1, Q3, median,upper and lower whisker value
> Date: Fri, 10 Sep 2010 11:00:06 -0700
> From: wdunlap@tibco.com
> To: diggsb@ohsu.edu; dasolexa@hotmail.com
> CC: r-help@r-project.org
> 
> is.nan(bd.coerce(as.bdVector(c(1.0, N> -----Original Message-----
> > From: r-help-bounces@r-project.org 
> > [mailto:r-help-bounces@r-project.org] On Behalf Of Brian Diggs
> > Sent: Thursday, September 09, 2010 12:41 PM
> > To: David A.
> > Cc: R-help
> > Subject: Re: [R] boxplot knowing Q1, Q3, median,upper and 
> > lower whisker value
> > 
> > On 9/6/2010 8:46 AM, David A. wrote:
> > >
> > > Dear list,
> > >
> > > I am using a external program that outputs Q1, Q3, median, upper and
> > > lower whisker values for various datasets simultaneously in a tab
> > > delimited format. After importing this text file into R, I 
> > would like
> > > to plot a boxplot using these given values and not the original
> > > series of data points, i.e. not using something like
> > > boxplot(mydata).
> > >
> > > Is there an easy way for doing this? If I am not wrong, boxplot()
> > > does not accept these values as parameters.
> 
> I believe boxplot(x,y,z) computes the required statistics
> and passes them to the bxp() function for plotting.  If
> you have the statistics you can pass them to bxp() yourself.
> You might call trace(bxp) followed by a call to boxplot()
> to see how boxplot uses bxp.
> 
> Bill Dunlap
> Spotfire, TIBCO Software
> wdunlap tibco.com 
> 
> > >
> > > Cheers,
> > >
> > > Dave  [[alternative HTML version deleted]]
> > 
> > If you use ggplot2, you can specify the aesthetics lower, 
> > upper, middle, 
> > ymin, and ymax directly to variables in geom_boxplot.  Just 
> > be sure to 
> > set stat="identity" so that it does not try to summarize your 
> > data again.
> > 
> > --
> > Brian Diggs
> > Senior Research Associate, Department of Surgery
> > Oregon Health & Science University
> > 
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> > 
 		 	   		  
	[[alternative HTML version deleted]]

