[R] Seeking advice on lattice package in R2.4.0 concerning stripplot

From: Dr L. Y Hin <lyhin_at_netvigator.com>
Date: Sat 16 Dec 2006 - 01:22:15 GMT

Dear all,

I am using the R 2.4.0 environment on Windows XP SP2 machine and trying to use the lattice package version 0.14-9 which you have kindly written to share with the R community.

I have a question concerning the stripplot which I'd be very grateful if you can kindly advise me on:

I used the dataset called trydata to plot a graph using stripplot (dataset attached), and the scripts used to procude the plot is as follows:

stripplot(Position~Count|y*Grouping,jitter=T,group=subtype, data=trydata,xlab="Count rate (%)",
key=list(text=list(c("GS in front", "GS at the back",
"MS in front","MS at the back")),

points = Rows(trellis.par.get("superpose.symbol"),1:4), columns=2))

When I plotted the graph and viewed it on R, the legend and the datapoint shapes are correct. However, when I export it into .pdf form using the pulldown menu in R, the legend for
"GS in front" is incorrect.

Instead if being a prism, it became
a circle. How can I get around this?
I've attached the figure thus generated in pdf form for your kind consideration.

Specifically, how can I modify the specifications in the command to produce the correct pch type in the legend as in the chart itself?

Thank you very much in advance for your kind advice.


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Received on Sat Dec 16 12:27:49 2006

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