R help - Jan 2009 - Text Outside Lattice Plot

Dear R users

I created the graph at the bottom using xyplot in the lattice package.  I
added a title using the main="Title"  command in xyplot, however it is
plotted too close to the legend for my liking.  To remedy this I increased
the upper margin of the plot using plot(data, position = c(0,0,1,.9)) and
attempted to move "SNA" upwards and to the right.  I have tried using
a
variety of text functions such as:

trellis.focus("panel", 1, 1) 
panel.text(x=11, y=100000, labels="SNA") 
trellis.unfocus() 

panel.xyplot(...) 
panel.text(x=11, y=100000, labels="SNA") 

library(grid) 
ltext(grid.locator(), label='SNA') 

The first two of these functions work but the text disappears once I specify
a y coordinate > ymax.  The last function appears to work but requires me to
click on the plot to specify the location (I need this to be pre-defined). 
Does anyone know how I can do this?

Regards,
James
http://www.nabble.com/file/p21575690/SNA.gif 
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> I created the graph at the bottom using xyplot in the lattice package. I
> added a title using the main="Title"  command in xyplot, however
it is
> plotted too close to the legend for my liking.  To remedy this I 
increased
> the upper margin of the plot using plot(data, position = c(0,0,1,.9)) 
and
> attempted to move "SNA" upwards and to the right.  I have tried
using a
> variety of text functions such as:
> 
> trellis.focus("panel", 1, 1) 
> panel.text(x=11, y=100000, labels="SNA") 
> trellis.unfocus() 
> 
> panel.xyplot(...) 
> panel.text(x=11, y=100000, labels="SNA") 
> 
> library(grid) 
> ltext(grid.locator(), label='SNA') 
> 
> The first two of these functions work but the text disappears once I 
specify
> a y coordinate > ymax.  The last function appears to work but requires 
me to
> click on the plot to specify the location (I need this to be 
pre-defined). 
> Does anyone know how I can do this?
A simple way to get more space for the title is to change the layout 
height parameter.  Here's an adaptation of the OrchardSprays example in 
?xyplot.

xyplot(decrease ~ treatment, OrchardSprays, groups = rowpos,
            type = "a",
            auto.key             list(space = "top", points = FALSE,
lines = TRUE),
            main="Orchard sprays example",
            par.settings=list(layout.heights=list(main=4)))

Regards,
Richie.

Mathematical Sciences Unit
HSL


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