RE: st: power calculation

["Raoul Reulen" <raoulreulen@hotmail.com>]

see

.sampsi

or use a excel spreadsheet like:

http://www.crcpress.com/e_products/downloads/webdownload/C415X/Sample%20size.xls

Raoul

> From: htzavara@med.uoa.gr
> Reply-To: statalist@hsphsun2.harvard.edu
> To: statalist@hsphsun2.harvard.edu
> Subject: st: power calculation
> Date: Sun, 11 Sep 2005 14:01:29 +0300
>
>
> --
> helllo!
>
> i want to calculate the power of a case-control study. The test which
> performed in this study was a Student's t-test, a Mann Whitney test, and 
> three
> chi-square tests. How will i perform the power analysis?
>
> thanks a lot in advanced!
>
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