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, v�t�rinaire CIRAD, D�partement Elevage et M�decine V�t�rinaire (CIRAD-Emvt) Programme Productions Animales http://www.cirad.fr/fr/pg_recherche/page.php?id=14
ISRA-LNERV tel +221 832 49 02 BP 2057 Dakar-Hann fax +221 821 18 79 (CIRAD) Senegal e-mail [EMAIL PROTECTED]
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