[R] using R as a script; getting the output to display on screen

Prof Brian D Ripley
Fri, 27 Jun 2003 17:59:01 -0000

On Fri, 27 Jun 2003, Nick Helseth wrote:

So, you are using Windows: please say so up front.

> I'm trying to run R from the command line using a function as an input;
it
> seems to run ok when I use "Rterm --vanilla <
name_of_R_function.R" (by ok,
> I mean that it will say that it's reading in the correct items) but the
> graphics won't display on screen.

The default graphics device in non-interactive use is postscript().

> Do I need to explicitly define an output
> device?  Like "Rterm --vanilla < name_of_R_function.R >
> standard_display_device"?  If that is the case, I don't suppose
anyone
> happens to know the name of the screen display device in Windows, do they?

Yes, lots of people do as it is in the README.RW1071:  windows().  Just add
an explicit call to see graphics on-screen.

--
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595