[R] help with graphics

[Andrew C. Ward]

Dear Erwan,

Did you have a "dev.off()" somewhere after barchart?
Otherwise you never know what you might get in the png file.


Regards,

Andrew C. Ward

CAPE Centre
Department of Chemical Engineering
The University of Queensland
Brisbane Qld 4072 Australia
andreww at cheque.uq.edu.au


Quoting Erwan BARRET <erwan.barret at wanadoo.fr>:

> I'd like to use lattice to make graphics under
> conditional structure like : 
> if (TRUE) { barchart(....)
> dev.print(png, file = "image1.png", width = 600)
> }
> but there's nothing in the output file. It seems that
> it's too long to print graphic into the graphical output
> and the saved file is a blank picture.
> it works if I do that without the conditionnal
> structure.
> it doesn't work if I source a batch file
> can you help me?
> 
> I'm using R1.6.2 under win98
> Thanks
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