[R] Overal plot title after mfrow and .Rhistory questions.

[Adrian Vance Custer]

Hello everyone,

I had a few questions that I have not been able to figure out despite a lot of
reading.



1) Adding a title to a multiplot figure:

If I plot multiple plots with 
>par(mfrow=c(2,6))
how do I add an overall title to the figure, not the individual plots?




2) Saving histories on the fly:

Is there a .Rhistory equivalent to
>save.image()
? I would like to be able to save the .RData and .Rhistory files and move to
another machine. Right now I have to quit R which looses the plots I am working
on.




3) Setting the size .Rhistory:

What is the maximum size of .Rhistory and where is it set?



Thanks in advance for any replys,

--adrian
acuster at nature.berkeley.edu
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