R help - Jun 2011 - change plot area in barplot2

I would like to change the plot area for a figure I made with barplot2  
so that it is rectangular (for example, 5 x 3 inches) rather than  
square, which is the default. What is the best way to do this?

Thanks,

Adrienne

On Jun 23, 2011, at 4:11 PM, Adrienne Keller wrote:
> I would like to change the plot area for a figure I made with barplot2 so
that it is rectangular (for example, 5 x 3 inches) rather than square, which is
the default. What is the best way to do this?
> 
> Thanks,
> 
> Adrienne
Hi,

The size of the plot is going to be largely dependent upon the output device
being used and the dimension settings for the device. If you are going to use a
bitmapped device (eg. png()) as opposed to a vector device (eg. pdf()), then the
physical size of the image will also be dependent upon the resolution of the
display (in pixels per inch) upon which the file is being viewed.

See ?Devices for more information on the available output devices on your
system. Then select the particular device you wish to use for details on how to
adjust the dimensions.

Regards,

Marc Schwartz

There are a couple of ways to do this. You can open a plotting window before
using barplot2. If you are running R on Windows, help(windows) for how to
change the plotting window dimensions (or help(quartz) for Mac, help(X11)
for linux).

The second method is to change the margins in the current plotting window
with the par(mar= or mai=) command (help(par). 

----------------------------------------------
David L Carlson
Associate Professor of Anthropology
Texas A&M University
College Station, TX 77843-4352

-----Original Message-----
From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org]
On
Behalf Of Adrienne Keller
Sent: Thursday, June 23, 2011 4:11 PM
To: r-help at r-project.org
Subject: [R] change plot area in barplot2

I would like to change the plot area for a figure I made with barplot2  
so that it is rectangular (for example, 5 x 3 inches) rather than  
square, which is the default. What is the best way to do this?

Thanks,

Adrienne

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