[R] Empty pdf

[peter dalgaard]

On Jul 1, 2013, at 14:35 , Adrian Trapletti wrote:

> Dear all,
> 
> I am comparing "R CMD BATCH script.R" with running the following code snippet within R:
> 
> pdf("Rplots.pdf")
> source("script.R")
> dev.off()
> q(save="no")
> 
> Among other things, one difference is that the former produces no Rplots.pdf while the latter produces an empty Rplots.pdf, if script.R does not contain "plotting" commands (R version 3.0.1, i486-pc-linux-gnu (32-bit)). What is the difference between the two with respect to pdf plotting?


Same as on the command line: If you type quartz() (or whatever is the default device for you), you get an empty window if no plotting follows. If you type plot(0:9), the quartz() device is opened for you and plotted into.

You could try

options(device=pdf)
source("script.R")
q(save="no") 

-- 
Peter Dalgaard, Professor
Center for Statistics, Copenhagen Business School
Solbjerg Plads 3, 2000 Frederiksberg, Denmark
Phone: (+45)38153501
Email: pd.mes at cbs.dk  Priv: PDalgd at gmail.com