Dear expeRts,
I would like to use expression() for creating labels in a splom, as shown in
the
first minimal example below. Is there any way I can simplify having to write
"expression(italic(...))" several times?
The second example is what I tried so far, but I can't manage to get italic() to
work. Moreover, it still seems bulky...
Cheers,
Marius
## minimal example (working but bulky)
U <- matrix(runif(900),ncol=3)
lattice::splom(~U[,1:3],varnames =
c(expression(italic(U[1])),expression(italic(U[2])),expression(italic(U[3]))))
## also bulky (and does not incorporate italic())
f <- function(x){
do.call(expression, lapply(1:3, function(j) substitute(x[y], list(x =
as.name(x), y = 0+j))))
}
lattice::splom(~U[,1:3],varnames = f("U"))
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