Check out the meta and rmeta packages.
On Sun, Apr 27, 2008 at 8:45 PM, David Scott <d.scott at auckland.ac.nz>
wrote:>
> I have been given some data in summary form, as means and standard
> deviations for a number of studies. I want to combine some studies to
> obtain overall means and standard deviations and also to carry out
> t-tests.
>
> Obviously I can write code to do this but most likely someone has doone
> this already. Can anyone provide a pointer to such code?
>
> David Scott
>
>
> _________________________________________________________________
> David Scott Department of Statistics, Tamaki Campus
> The University of Auckland, PB 92019
> Auckland 1142, NEW ZEALAND
> Phone: +64 9 373 7599 ext 86830 Fax: +64 9 373 7000
> Email: d.scott at auckland.ac.nz
>
> Graduate Officer, Department of Statistics
> Director of Consulting, Department of Statistics
>
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>