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st: multiple regression power analysis using powerreg


From   Nancie Celini <nancie.celini@thinkcab.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: multiple regression power analysis using powerreg
Date   Mon, 02 Jan 2012 15:26:57 -0500

I hope someone can help me. I did a survey (validated) to collect data from a fixed population of 600 as a convenience sample for an academic study. My response rate was  14% or 83 responses. I am being asked to conduct a power analysis retrospectively. Has anyone used powerreg in Stata for this purpose on a survey/convenience sample in this manner? What advice can you provide – I understand this a rather subjective number so need to know the inputs required in this type of analysis to yield the best result. Thank you.

 

Nancie



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