Re: [R] Lattice package par.settings/trellis.par.settings questions

From: Deepayan Sarkar <deepayan.sarkar_at_gmail.com>
Date: Sat 19 Aug 2006 - 00:52:05 EST

On 8/17/06, Debarchana Ghosh <ghos0033@umn.edu> wrote:
> Hi All,
>
> I'm trying to modify some of the default graphic parameters in a
> conditional histogram. While I was able to change the default grey
> background to white, I couldn't change the axis.font or the xlab font.

The default background is no longer grey in the latest release.

> I used the following code:
>
> /histogram(~V751|V013+V025, finalbase, xlab="Heard of HIV/AIDS
> (No/Yes)", col=c("cyan","magenta"), par.settings=list(background="white"))
>
> /The arguments for example like /axis.font=2/, or /cex=2/ are not
> working in the /par.settings(). /I also tried to read the manual of
> /trellis.par.settings()/ but didn't understand how to use it and where
> exactly to put it.

The documentation is certainly lacking in this area (I hope to improve it in the coming months). Gabor mentioned the settings for axis labels. The xlab text is controlled by "par.xlab.text", try:

str(trellis.par.get("par.xlab.text"))

Both can be controlled in the call directly, e.g.

histogram(1:10,

          scales = list(font = 2, cex = 0.5),
          xlab = list(cex = 2, col = 'red'))

Such use /is/ fairly well documented.

Deepayan



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