[R] setup trellis.device to color=F inside the xyplot function

[Ronaldo Reis Junior]

Hi,

it is possible to setup trellis.device(color=F) inside teh function xyplot?

I try to use 

> xyplot(ocup~tempo|
nitro+estacao,col="white",ylim=c(0,0.7),par.settings=list(color=F))

But dont work, the only way that work for me is call the function

> trellis.device(color=F)

before the xyplot, but in this way it open a new device for each run. I like 
that is use the same device every time, but without colors.

Thanks
Ronaldo
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