[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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> 


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