fishman wrote:
Hi
I am having difficulty getting the right format for a lattice plot I am
trying to produce.
Here is a pic of the plot as I get it now
http://i235.photobucket.com/albums/ee37/scotrivers/lattice_plot01.jpg
and here is the code I am using:
RN<-read.csv("N:/data.dat",header=T)
DATA<-RN[is.element(RN$age,0:3),] #select data on age
ogmod1<-glm(mig~age+length,family=binomial(link="logit"),data=DATA)
design1<-expand.grid(age=c(0:3),length=seq(30,300,by=10))
design1$pbs<-predict(ogmod1,new=design1,type="response")
design1$migr<-round(design1$pbs)
library(lattice)
wireframe(pbs~age*length,data=design1,aspect=c(1,1),main="Probability
Surface",
drape=T,scale=list(arrows=FALSE),screen=list(z=45,x=-75),
colorkey=list(space="right",height=0.6),xlab="Age",ylab="Length
(mm)",zlab="Probability")
I have a number of problems:
1. the Z-axis label goes off the edge of the plotting area, I need to move
the plot to the right somehow, but can't find a way to do this (tried
various margin settings)
Or rotate the z-label; see below.
2. I would like the Z scale to read from 0 to 1.0 with intervals of 0.2, at
the moment there is no 0 or 1.0 on the scale
Use the 'scales' argument; see below.
3. I would like the X-axis tick marks to just be 0, 1, 2 & 3. At the moment
they go up in 0.5 intervals rather than 1.0
Use the 'scales' argument;
You don't provide reproducible code, so here's an example
from ?wireframe; it should give you the idea:
library(lattice)
wireframe(volcano, shade = FALSE,
zlim=c(100,200), ##modify the z-axis limits
zlab=list("long_z_label", rot=90), ##print z-label parallel
scales=list(
arrows=FALSE,
z=list(at=c(100,150,200)), ##where to put ticks and labels
x=list(at=c(10,50,70))))
-Peter Ehlers
I have been searching round for ages for info on these problems, so I hope
some kind person can help.
Thanks
--
Peter Ehlers
University of Calgary
403.202.3921
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