I have a factor vector of subject races (Asian, Black, Hispanic, White; n=30)
that I want to plot with a Cleveland dotplot or dotchart.
I tried the following in R2.12.1 :
> dotchart(table(school$Race))
Error in plot.xy(xy.coords(x, y), type = type, ...) : invalid plot type
Using the same data set in R2.11.1 the operation succeeded (I tried several
variations to be sure):
> dotchart(table(school$Race))
> race2<-table(school$Race)
> dotchart(race2)
> dotchart(race2, pch=17,col="red")
Each of these worked in 2.11.1 but not in 2.12.1; What changed in the
{graphics} package to alter this and is there a work-around?
Isaac T. Van Patten, Ph.D.
Professor of Criminal Justice
307 Adams Street, Office 1A
Box 6934, Radford University
Radford, VA 24142
(540)831-6737
ivanp...@radford.edu
http://ivanpatt.asp.radford.edu
It doesn't matter how beautiful your theory is;
It doesn't matter how smart you are;
If it doesn't agree with the [data], its wrong.
-Richard Feynman
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