R help - May 2010 - Strange behavior when plotting with ggplot2 and lattice

Hi all,

I have the following script,which won't plot (tried in RGUI and also
in Eclipse StatET):

library(ggplot2)	# for plotting results
userids <- c(1,2,3)
for (userid in userids){
	qplot(c(1:10), c(1:20))
}
print ("end")

No plot shows up. If I run the following:

library(ggplot2)	# for plotting results
userids <- c(1,2,3)
for (userid in userids){
	blabla)))
	qplot(c(1:10), c(1:20))
}
print ("end")

which contains a syntax mistake in line 4, then I get the plot output
on the screen. I have the same issue when using lattice, but its ok
when using standard graphics plot.

WHAT IS GOING ON???

Ralf

On May 14, 2010, at 7:21 PM, Ralf B wrote:
> Hi all,
>
> I have the following script,which won't plot (tried in RGUI and also
> in Eclipse StatET):
>
> library(ggplot2)	# for plotting results
> userids <- c(1,2,3)
> for (userid in userids){
> 	qplot(c(1:10), c(1:20))
> }
> print ("end")
>
> No plot shows up.
Read the FAQ."Why do lattice/trellis graphics not work?"
> If I run the following:
>
> library(ggplot2)	# for plotting results
> userids <- c(1,2,3)
> for (userid in userids){
> 	blabla)))
> 	qplot(c(1:10), c(1:20))
> }
> print ("end")
>
> which contains a syntax mistake in line 4, then I get the plot output
> on the screen. I have the same issue when using lattice, but its ok
> when using standard graphics plot.
Yep. Standard graphics plot by side-effect.
>
> WHAT IS GOING ON???
>
> Ralf
>
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David Winsemius, MD
West Hartford, CT