[R] Thousands Separator

Prof Brian Ripley ripley at stats.ox.ac.uk
Wed Apr 19 11:56:51 CEST 2006


Sorry, that answers the question in the first two paras, not that in the 
subject line.

On Wed, 19 Apr 2006, Prof Brian Ripley wrote:

> On Wed, 19 Apr 2006, Uwe Ligges wrote:
>
>> David Feldman wrote:
>>> I am a new R user, and am struggling with how to add a comma to the
>>> tick mark labels in a bwplot or a boxplot.
>>>
>>> I think the default values of the labels are fine, I just want them
>>> to appear with commas.
>>>
>>> If I use the function boxplot, I can then use
>>>    axis(2,labels=format(axTicks(2),big.mark=","))
>>> but that just overlays them on the existing labels which I don't know
>>> how to turn off.
>>
>>
>> Specify in your plot function: yaxt="n" (see ?par)
>>
>>
>>> This method does not appear to work at all with bwplot, but I am not
>>> sure why.
>>
>> Because it is not a base graphics function but a lattice graphics.
>
> You can use options(OutDec) in both cases:
>
> op <- options(OutDec=",")
> z <- 0.01* rt(100, df=3); g <- factor(rep(LETTERS[1:2], each=50))
> boxplot(z ~ g)
> library(lattice)
> bwplot(z ~ g)
> options(op)
>
>
>

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595




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