Re: [R] Plot question

From: Richard M. Heiberger <rmh_at_temple.edu>
Date: Fri, 14 Dec 2007 09:56:11 -0500

The easiest way would be to use the HH package, which you can get from CRAN.

Marc's example is limited to integers on the X axis. Using positioned(), which is
an extension to ordered(), allows arbitrary values. Building on that example

require(HH)

CV <- rnorm(100)
FV <- sample(c(-1.4, 3.2, 5), 100, replace = TRUE)

bwplot(CV ~ positioned(FV))

-----Original Message-----
From: r-help-bounces_at_r-project.org [mailto:r-help-bounces_at_r-project.org] On Behalf Of Alan Barnett
Sent: Friday, December 14, 2007 08:16 AM To: R-Help
Subject: [R] Plot question

I have some data consisting of multiple trials of an experiment with different values of an independent variable. If I run R> plot(var,result)
I get a scatterplot of result versus the independent variable var. If I run
R> plot(as.factor(var),result)
I get a boxplot of the distribution of result for each value of var. In this plot, each boxplot is labeled by the corresponding value of var, but the absissas are evenly spaced.
Is it possible to generate a boxplot with the absissas of each boxplot equal to the corresponding value of var?

-- 
Alan Barnett, PhD
Imaging Physicist
National Institutes of Health
NIMH/CBDB
301 402 3507


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Received on Fri 14 Dec 2007 - 14:59:21 GMT

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