Estimation of sample size and testing power (Part 1).
- Author:
Liangping HU
;
Xiaolei BAO
;
Shiguo ZHOU
;
Xue GUAN
;
Hailiang XIN
- Publication Type:Journal Article
- From:
Journal of Integrative Medicine
2011;9(10):1070-4
- CountryChina
- Language:English
-
Abstract:
This article introduces the general concepts and methods of sample size estimation and testing power analysis. It focuses on parametric methods of sample size estimation, including sample size estimation of estimating the population mean and the population probability. It also provides estimation formulas and introduces how to realize sample size estimation manually and by SAS software.