Stata The Stata listserver
[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]

RE: st: power calculation


From   "Raoul Reulen" <raoulreulen@hotmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   RE: st: power calculation
Date   Sun, 11 Sep 2005 14:27:22 +0200

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!

*
* For searches and help try:
* http://www.stata.com/support/faqs/res/findit.html
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/

*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/



© Copyright 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   What's new   |   Site index