[R] Odp: pie initial angle
Petr PIKAL
petr.pikal at precheza.cz
Tue May 29 13:30:06 CEST 2007
Hi
r-help-bounces at stat.math.ethz.ch napsal dne 29.05.2007 12:53:14:
>
> Dear all,
>
> I'd like to produce a simple pie chart for a customer (I know it's bad
but
> they insist), and I have some difficulties setting the initial angle.
> For example:
>
> pie(c(60, 40), init.angle=14)
>
> and
>
> pie(c(80, 20), init.angle=338)
>
> both present the slices in the same direction, where:
I presume you misunderstand init angle. Above statements points an arrow
of both slices to the similar direction but slices starts at different
initial angles.
>
> pie(c(60, 40))
> pie(c(80, 20))
>
> present the slices in different directions.
The arrow slices point to different direction **but** they both **start**
at the same initial angle 0 deg.
>
> I read everything I could about init.angle argument, I even played with
> various formulas to compute it, but I just can't figure it out.
> How can I preserve the desired *direction* of the slices?
You probably need to compute initial angle based on proportions in your
pie chart (If you really want each pie chart starting at different
position).
Regards
Petr
>
> Many thanks in advance,
> Adrian
>
>
> --
> Adrian Dusa
> Romanian Social Data Archive
> 1, Schitu Magureanu Bd
> 050025 Bucharest sector 5
> Romania
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>
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