Message-ID: <40095745.50203@statistik.uni-dortmund.de>
Date: 2004-01-17T15:39:49Z
From: Uwe Ligges
Subject: Multiple groupedData plots in a postscript file using a loop
In-Reply-To: <20040117153426.24265.qmail@web10001.mail.yahoo.com>
Karl Knoblick wrote:
> Thanks, but it does NOT work using a loop (your
> example without loop works):
>
> trellis.device("postscript", file = "PSFile.ps")
> for (i in 1:1)
> {
> plot(Loblolly)
> }
> dev.off()
Yep, sorry. You need to print() a lattice plot in this case:
trellis.device("postscript", file = "PSFile.ps")
for (i in 1:1)
{
print(plot(Loblolly))
}
dev.off()
Uwe Ligges
> Just an empty postscript file.
>
> Karl.
>
> --- Uwe Ligges <ligges at statistik.uni-dortmund.de> :>
>
>>Note that this is a lattice plot:
>>
>> class(Loblolly)
>>[1] "nfnGroupedData" "nfGroupedData" "groupedData"
>> "data.frame"
>>
>>Thus, the method plot.nfnGroupedData() producing a
>>lattice plot is
>>called by the generic plot().
>>
>>So, you don't want to start postscript(), but
>> trellis.device("postscript", file = "PSFile.ps")
>> plot(Loblolly)
>> dev.off()
>>
>>Uwe Ligges
>>
>
>
>
> __________________________________________________________________
>