Hu Liang-ping, Bao Xiao-lei, Zhou Shi-guo, Guan Xue, Xin Hai-liang
Consulting Center of Biomedical Statistics, Academy of Military Medical Sciences, Beijing, China.
Zhong Xi Yi Jie He Xue Bao. 2011 Oct;9(10):1070-4. doi: 10.3736/jcim20111006.
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.
本文介绍了样本量估计和检验效能分析的一般概念与方法。重点阐述了样本量估计的参数方法，包括估计总体均值和总体概率的样本量估计。还给出了估计公式，并介绍了如何手动以及通过SAS软件实现样本量估计。
