[R] several plots on several pages - bug in par(mfg())?

[Rainer M. Krug]

Greg Snow wrote:
> Oops, I read further down in your original post and see that you already
> knew about par(mfg=c(2,1)).  To get it to advance to page 2 for the 4th
> plot try calling plot.new() which should move you to the next page, then
> doing par(mfg=c(1,1)) should cause the next graph to be at the top.
> 
> Hope this helps,
> 

Thanks - I found plot.new() and it is working.

But: If the first plot command fails, par(mfg=c(2,1)) does NOT move to 
the second one - if you try the code below, you will see.

Is this a bug or am I doing something wrong?

## Set layout to three rows and only oine column
par( mfcol=c(3,1), oma=c(0,0,0,0), mar=c(4, 4, 2, 2) )

## First row
par(mfg=c(1,1))
try( plot(runif(ff)) ) ## plot fails due to something.

## Second row
par(mfg=c(2,1))
try( plot(runif(100)) ) ##actually is plotted in first row

## Third row
par(mfg=c(3,1))
plot(runif(1000))   ## plotted in third row


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