Have you considered aggregate in library(zoo)?  If you are not 
familiar with "zoo", I suggest you install it, then run 
'vignette("zoo")' and 'edit(vignette("zoo"))' [NOTE:  If you use Emacs, 
'edit(vignette(...))' won't work.  There is something that will, but I 
don't remember what it is.  If you need it, please PLEASE do read the 
posting guide! http://www.R-project.org/posting-guide.html and try this 
list again.]

          spencer graves

Haibo Huang wrote:

> Hi,
> 
> I am new to use R, but can anyone tell me how to
> tranform quarterly data to monthly data? I know SAS
> has this procedure, so may I assume it is also
> available in R?
> 
> Thanks a lot!
> 
> Ed
> 
> ______________________________________________
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> PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html

-- 
Spencer Graves, PhD
Senior Development Engineer
PDF Solutions, Inc.
333 West San Carlos Street Suite 700
San Jose, CA 95110, USA

[EMAIL PROTECTED]
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