[R] categorical vs numerical

DispersionMap frenchcr at btinternet.com
Sat Dec 5 10:46:52 CET 2009

Thanks, however the group sizes are really big (each a,b,c.. category has
60,000 observations). Its hard to see whats going on withe the jittered
stripchart, i just get big black blobs.

Any other suggestions?

Peter Ehlers wrote:
> If your group sizes are not too large, I would use jittered stripcharts.
> They're more informative than boxplots and much less subject to
> misinterpretation. One warning, I'm not fond of the default pch=0.
>  -Peter Ehlers
> DispersionMap wrote:
>> What ways are there to plot categorical vs numerical data in R.
>> I have two columns: one with categorical data in 5 categories a,b,c,d,e,
>> and
>> a numerical column with integers between 1 and 100.
>> I have used a boxplot with a,b,c,d,e on the x-axis and an increasing
>> numerical scale on the y-axis. This look fine but im looking for other
>> ways
>> to present the data.
>> What other ways can i do this???
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