On Mon, 13 Mar 2006, [EMAIL PROTECTED] wrote:
> (Moved from r-help)
>
> On 3/13/2006 9:33 AM, Dietrich Trenkler wrote:
>> I have some data which I would like to display with dotchart. The
>> labels are very long, so the chart becomes too small. Setting cex=0.7
>> seems to be a good compromise, but the gap between the text and the
>> chart still is too large. I did not find a "gap" parameter in the
>> description of dotchart...
>>
>> Thanks for any help.
>>
>> D. Trenkler
>>
>>
>> "a" <- structure(c(103.35, 36.73, 55.09, 302.66, 68.54, 35.46,
>> 138.65, 25.21, 110.85, 6.66, 46.57, 70.23), .Names =
>> c("Nahrungsmittel und alkoholfreie Getraenke",
>> "Alkoholische Getraenke, Tabakwaren", "Bekleidung und Schuhe",
>> "Wohnungsmieten, Energie", "Einrichtungsgegenstaende",
>> "Gesundheitspflege",
>> "Verkehr", "Nachrichtenuebermittlung", "Freizeit, Unterhaltung und
>> Kultur",
>> "Bildungswesen", "Beherbergungs und Gaststaettendienstleistungen",
>> "Andere Waren und Dienstleistungen"))
>>
>> dotchart(sort(a))
>> dotchart(sort(a),cex=0.7)
>
> I've determined that this is a bug in dotchart. It miscalculates the
> height of a line of text in the right margin, using
>
> lheight <- strheight("M", "inch")
>
> which doesn't give the right answer. You get the correct answer in this
> case by putting
>
> lheight <- par("mai")[2]/par("mar")[2]
>
> but that's not a general solution, as the denominator may be zero.
>
> I'll look for a better solution.
Like setting mai not mar? The ratio is par("csi"), by the way.
--
Brian D. Ripley, [EMAIL PROTECTED]
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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