It seems almost too simple. Check to see if stripchart has an add= or
other argument that lets you overlay charts. It does, so try this:
boxplot(x$earned ~ x$movie)
stripchart(x$earned ~ x$movie, vertical=T,data=x, method="jitter",
add=TRUE, pch=19)
--
David Winsemius
On Mar 13, 2009, at 3:03 PM, Aldi Kraja wrote:
Hi,
I have a data.frame of this kind:
x
obs movie earned rating
1 P1 3.2 xx
2 P1 4.2 xx
3 P1 5.2 xx
4 P1 6.2 xx
5 P2 3.5 xx
6 P2 6.5 xx
7 P2 7.5 xx
8 P2 4.5 xx
9 P2 4.5 xx
10 P3 4.8 x1
11 P4 7.3 x2
12 P4 3.2 x2
13 P4 3.3 x2
I want to overlay the following boxplot and stripchart. I think that
I had seen before in a discussion a thread about stripchart in R
(maybe from Dalgaard), but although searching for it I couldn't find
it.
boxplot(x$earned ~ x$movie)
stripchart(x$earned ~ x$movie, vertical=T,data=x, method="jitter",
pch=19)
Any suggestions are greatly appreciated, otherwise I have to go to
points function.
Thanks,
Aldi
--
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David Winsemius, MD
Heritage Laboratories
West Hartford, CT
______________________________________________
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
