SigmaStat is used by thousands of research scientists worldwide to:
* Compare effects among groups, including before-and-after or repeated measures studies
* Conduct survival and reliability analyses
* Analyze rates and proportions
* Perform regression and correlation analyses
* Calculate power and sample size
SigmaStat includes all the statistical tests most frequently used to analyze scientific research.
是一个易于使用的智能统计软件30天全功能演示版，尤其适合对统计知识了解不多的人使用，它具有一个“专家系统”，引导你对数据进行统计分析。需要先注册后下载。
