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RE: st: How to compute sample size assuming a specificy accuracy in parameter estimation


From   Cameron McIntosh <cnm100@hotmail.com>
To   STATA LIST <statalist@hsphsun2.harvard.edu>
Subject   RE: st: How to compute sample size assuming a specificy accuracy in parameter estimation
Date   Thu, 1 Mar 2012 21:21:31 -0500

Have a look at these:
Maxwell, S.E., Kelley, K., & Rausch, J.R. (2008). Sample Size Planning for Statistical Power and Accuracy in Parameter Estimation. Annual Review of Psychology, 59, 537-563.http://nd.edu/~kkelley/publications/articles/Maxwell_Kelley_Rausch_2008.pdf ;

Kelley, K. (2007). Sample size planning for the coefficient of variation: Accuracy in parameter estimation via narrow confidence intervals. Behavior Research Methods, 39(4), 755-766.http://nd.edu/~kkelley/publications/articles/Kelley_BRM_AIPE_CV_2007.pdf

Cam

> Date: Thu, 1 Mar 2012 10:06:35 -0300
> Subject: st: How to compute sample size assuming a specificy accuracy in      parameter estimation
> From: tiago.pereira@mbe.bio.br
> To: statalist@hsphsun2.harvard.edu
> 
> Dear all,
> 
> I would like to know if there is a Stata package out there that computes
> the sample size required to give a specific accuracy in the estimation of
> the population parameter (assumed to be normally distributed).
> 
> For example, I would like to estimate the mean of a population having a
> precision of 2 in my 95% confidence intervals. Precision here is the plus
> and minus value used to create the confidence interval.
> 
> I have guesses on the population mean, standard deviation and know the
> total population size.
> 
> I have checked -aipe-, -sampsi-, and others, but failed to find out a
> specific package for that purpose.
> 
> Let me know if I am missing something when using them.
> 
> 
> All the best,
> 
> Tiago
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