[R] How to save as PDF when I used par(ask=T)

David Winsemius dwinsemius at comcast.net
Sun Apr 25 06:37:38 CEST 2010

You do not say what OS you are using and the differences in graphics  
operations can be substantial. Had this been on a Mac, the answer  
would be to page backward through the plots with cmd-<left-arrow> and  
save them with cmd-s or File/Save As..  I suspect that similar  
facilities exist on Windows. Perhaps you should read:


... and section 5.2 of the RW-Faq..

Would be a good idea to read the whole FAQ while you're in the  


On Apr 24, 2010, at 9:47 PM, casperyc wrote:

> ======================================================
> y=c(9,9,17,11,7,8,15,5)
> treat=c("A","C","B","C","D","A","B","D")
> block=c(1,1,2,2,2,3,3,3)
> q1.mod=aov(y~as.factor(treat)+as.factor(block))
> q1.mod
> summary(q1.mod)
> par(ask=T)
> plot(TukeyHSD(q1.mod))
> =======================================================
> This way, I can only save the last picture that is displayed.
> (when I try to save the first one,
> the only button i can press is ''Next'')
> How do I save the previous one?
> Thanks.
> casper
> -- 

David Winsemius, MD
West Hartford, CT

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