[R] Whiskers on the default boxplot {graphics}

Shi, Tao shidaxia at yahoo.com
Thu May 13 07:33:34 CEST 2010

Hi Peter,

You're absolutely correct!  The description for 'range' in 'boxplot' help file is a little bit confusing by using the words "interquartile range".  I think it should be changed to the "length of the box" to be exact and consistent with those in the help file for "boxplot.stats".


----- Original Message ----
> From: Peter Ehlers <ehlers at ucalgary.ca>
> To: "Shi, Tao" <shidaxia at yahoo.com>
> Cc: Jason Rupert <jasonkrupert at yahoo.com>; Dennis Murphy <djmuser at gmail.com>; R Project Help <R-help at r-project.org>; murdoch.duncan at gmail.com
> Sent: Wed, May 12, 2010 2:11:24 PM
> Subject: Re: [R] Whiskers on the default boxplot {graphics}
> On 2010-05-12 13:27, Shi, Tao wrote:
> Jason,
> All these 
> are clearly defined in the help file for 'boxplot' under 'range'.  Don't 
> understand how you missed that.
> ...Tao

> made me re-read the help page for boxplot. I notice that
there's a difference 
> in the description of 'range' on that page
and the description of the 
> equivalent 'coef' on the help page
for boxplot.stats. boxplot.stats has it 
> right.

This should be made consistent.

[previous posts 
> snipped]
Peter Ehlers
University of Calgary

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