See if this helps. After your code, submit this to R:
with(d, text(xx[xx==3],zz[xx==3],paste("3, ",zz[xx==3])))
After that has convinced you that xx and zz are being used properly,
you can try the more general approach:
with(d, text(xx,zz,paste(xx, " , ", zz)))
I would have used ZZ rather than "Y Label" on the y axis, because yy
is being used as a grouping parameter and the plotted value is really zz
--
David Winsemius
On Mar 4, 2009, at 11:52 AM, Dimitri Liakhovitski wrote:
Hello - and sorry for what might look like a simple graphics question.
I am building an interaction plot for d:
d
=
data
.frame
(xx=c(3,3,2,2,1,1),yy=c(4,3,4,3,4,3),zz=c(5.1,4.4,3.5,3.3,-1.1,-1.3))
d[[1]]<-as.factor(d[[1]])
d[[2]]<-as.factor(d[[2]])
print(d)
interaction.plot(d$xx, d$yy, d$zz,
type="b", col=c("red","blue"), legend=F,
lty=c(1,2), lwd=2, pch=c(18,24),
xlab="X Label",
ylab="Y Label",
main="Chart Label")
I am trying and not succeeding in adding Y values (value labels in
Excel speak) near the data points on 3 lines of the graph.
I understand that I might have to use "text". But how do I tell text
to use the actual coordinates of the dots on the lines?
Thank you very much!
--
Dimitri Liakhovitski
MarketTools, Inc.
dimitri.liakhovit...@markettools.com
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