[R] Background color(s) for groupedData plot

[Renaud Lancelot]

Paul, David A wrote:
> I've been using par() to check the graphics parameters
> associated with both plot(<fitted linear model>) and
> plot(<grouped data object>).  AFAIK the only differences
> are in the $cxy, $usr, $xaxp, and $yaxp parameters but
> the background color for the grouped data plot is grey
> while the linear model plot has a white background.
> 
> When I've tried par(bg = "white") prior to using the
> plot(<grouped data object>) command it doesn't seem to make any
> difference.
> 
> How can I change the grey background to something else?
> 
> 
> Much thanks in advance,
>   David Paul
> 
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> 

Hi Paul,

This method calls lattice plots. An easy way to change the bg color is 
to call trellis.device explictely, e.g.

trellis.device(bg = 0)
plot(<grouped data object>)

Best,

Renaud

-- 
Dr Renaud Lancelot, vétérinaire
CIRAD, Département Elevage et Médecine Vétérinaire (CIRAD-Emvt)
Programme Productions Animales
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