On Oct 27, 2011, at 6:13 PM, wildlifeduke wrote:
I am using the mgcv package to develop vis.gam plots and having
trouble
figuring out how to relabel the z-axis (image attached). It is
currently
labeled as "linear predictor," but I would like to change it to a
different
name. Currently I am using this code:
vis.gam(model1,theta=320,ticktype="detailed",color="gray",nCol=12,
zlab="BCS")
However, when run R states:
Error in persp.default(m1, m2, z, col = col, zlim = c(min.z, max.z),
xlab =
view[1], :
formal argument "zlab" matched by multiple actual arguments
`vis.gam` creates that name and it gets pasted into a string that
result in a collision with your supplied argument at the point where
they a both passed to `persp`. You will need to hack that code to
circumvent, or extract the relevant vectors from the gam fit an dbuild
a plot on your own.
The code to replace would be
if (type == "link")
zlab <- paste("linear predictor")
Or perhaps intercept the handling of "stub"'s construction at the end:
stub <- paste(ifelse("xlab" %in% dnm, "", ",xlab=view[1]"),
ifelse("ylab" %in% dnm, "", ",ylab=view[2]"),
ifelse("main" %in% dnm, "", ",zlab=zlab"), ",...)",
sep = "")
if (color == "bw") {
op <- par(bg = "white")
txt <- paste("persp(m1,m2,z,col=\"white
\",zlim=c(min.z,max.z) ",
stub, sep = "")
eval(parse(text = txt))
par(op)
}
else {
txt <-
paste("persp(m1,m2,z,col=col,zlim=c(min.z,max.z)",
stub, sep = "")
eval(parse(text = txt))
--
David.
Any assistance would be greatly appreciated!!
-Jared http://r.789695.n4.nabble.com/file/n3946213/BCS_Plot.jpeg
--
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David Winsemius, MD
West Hartford, CT
______________________________________________
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