[R] xyplot inside a for loop problem
Liaw, Andy
andy_liaw at merck.com
Fri Mar 26 01:17:40 CET 2004
That's because you didn't read R FAQ 7.24.
Andy
> From: Vaclav Petricek
>
> Hello everyone
>
> Could someone please explain me why are xyplot() calls inside
> a for loop
> unsuccessful?
>
> Calling plot() is OK but xyplot() just opens the graphics
> window and that
> is all. No error, no warning :-( The same xyplot() outside
> for loop works
> fine.
>
> ---------------------------------------------------------
> library(lattice)
>
> # OK:
> plot(1,2,type='p',main='standalone plot')
> # OK:
> for (name in 1) plot(1,2,type='p',main='plot in for')
>
> # OK:
> xyplot(1~2,type='p',main='standalone xyplot')
> # This does not plot anything:
> for (name in 1) xyplot(1~2,type='p',main='xyplot in for')
> ---------------------------------------------------------
>
> Thank you very much for your help
>
> Vaclav
>
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