R help - Jan 2006 - about xyplot in lattice

Hi all,

 

I am using xyplot (lattice) to generate a figure like Figure 4.18 in
MASS4, but I have the following two questions (1) how to change the font
of x(y)lab? (2) how to plot the panels for each level of the conditional
variable (a factor in my data set) in the order as occurred in the
data.frame rather than in the order of the levels of the conditioning
variable?

 

Thanks

 

Jin

 


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On 1/27/06, Jin.Li at csiro.au <Jin.Li at csiro.au>
wrote:
> Hi all,
>
>
>
> I am using xyplot (lattice) to generate a figure like Figure 4.18 in
> MASS4, but I have the following two questions (1) how to change the font
> of x(y)lab?
Something like

xyplot(...

       xlab = list("foo", font = 3),

       ...)

fontface and fontfamily may be specified in the list too, although the
documentation fails to mention this.

(2) how to plot the panels for each level of the
conditional
> variable (a factor in my data set) in the order as occurred in the
> data.frame rather than in the order of the levels of the conditioning
> variable?
Not possible directly, you have to change the order somehow. The
easiest is to specify the order when creating the factor explicitly,
e.g.

newf <- factor(f, levels = unique(f))

This should work fine even if f is already a factor.

Deepayan
--
http://www.stat.wisc.edu/~deepayan/