Hi
Once you want to do extra things from the basic you may have to go into the
panel function
xyplot(Observation,IPrediction,
groups=TreatmentArm,
col = c(1,2,3),
cex=0.7,
panel = function(x,y,...){
panel.xyplot(x,y,...)
panel.loess(x,y,...)
panel.abline(a = 0, b=1)
}
)
For more information see
http://lmdvr.r-forge.r-project.org/figures/figures.html
As you have groups the xyplot arguments may be
panel = panel.superpose,
panel.groups = function(x,y,...){
...
}
You may also be interested in functions in library(latticeExtra) especially
useOuterStrips which avoids double strips by placing the second as a
strip.left
As you have not provided a data set then the information is less
Regards
Duncan
Duncan Mackay
Department of Agronomy and Soil Science
University of New England
Armidale NSW 2351
Email: home: mac...@northnet.com.au
-----Original Message-----
From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On
Behalf Of Lib Gray
Sent: Wednesday, 26 February 2014 05:34
To: R help
Subject: [R] Adding lines to complex xyplot
Hello,
I am branching out to xyplot for the first time, and I want to layer
several "complex" xyplots. I have tried using panel functions, but so far I
lose all complexity from the scatterplot. I would like to have the
following things in the plot:
1) A plot of observation vs. modeled individual prediction, by treatment
arm, with each subjects' points connected by lines.
xyplot(Observation,IPrediction,groups=TreatmentArm,type="b",col=c(1,2,3),cex
=0.7)
2) Over the former, I would like to add loess smoothers.
I am able to do this in the former with "type=c("b","smooth"), but I would
like to differentiate the smoothers from the rest of the plot with thicker
line widths, and possibly colors.
3) Also over the former, I would like to add a simple abline(0,1).
I can add this, but not also the loess and treatment arm differences with
"panel=function(x,y){}, but cannot figure out to keep all the former
complexity.
Basically, I am trying to recreated the four basic diagnostic plots from
"xpose4", but adding color for treatment differences.
Any help would be appreciated!
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