Hi,
When using splom() in the lattice package, I would like to be able to
access the row and column number of each individual pairs plot ,
similar to the way that current.row() and current.column() can be used
in other lattice plotting functions such as xyplot. For example, I
would like to be able to write something along the lines of
library(mvtnorm)
library(lattice)
y <- rmvnorm(100,c(0,0,0),diag(3))
splom(y,panel=function(x,y,...){
# I would like to access the panel row i and column j here, e.g.,
# print(i,j)
panel.splom(x,y,...)
})
but I haven't been able to find a way to do this; current.row() and
current.column() only vary at the level of splom's superpanel function.
Does anyone have a suggestion on how to access this information? I
have looked into tweaking panel.pairs() to pass the i,j row,column
information into the splom panel function, but it is not trivial
because panel.pairs() calls several lattice-internal functions which
are not exported. So if there is a better way, I would be grateful to
know!
Many thanks,
Roger
--
Roger Levy Email: rl...@ling.ucsd.edu
Assistant Professor Phone: 858-534-7219
Department of Linguistics Fax: 858-534-4789
UC San Diego Web: http://ling.ucsd.edu/~rlevy
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