with r, you can confirm that values obtained from a php math library agree with those obtained from a mature, freely available, open source statistical package 有了r,可以确定从php数学库获得的值与那些从成熟的免费可用的开放源码统计包中获得的值是否一致。
(6 ) raw data derived from the questionnaire were input twice and checked automatically by epidemic statistical package epidata 2.0 and then analyzed by spss11.0 for windows “)问卷的原始数据用流行病学统计软件epidata2刀进行录入并核对;然后用spssll刀forwindows对数据进行分析。
these include office applications software packages, programming languages compilers, statistical packages, and database management, as well as specialist software such as autocad, multi-media and graphical packages 包括办公室应用套装软件、程式编译器、统计套装软件、资料库管理,以及专用软件如autocad、多媒体及图像套装软件等。
content : ( 1 ) data collecting and transformation; ( 2 ) data analysis and tests; ( 3 ) statistical package use; ( 4 ) statistical inference; objective : to study the fundamental theories and analysis techniques of biological date 教授课程内容包括:1.生物资料收集,转换;2.生物资料分析,检验;3.统计软体使用;4.统计推论。目的:让学生了解统计学的基本理论与基本资料分析技术,以应用于从事生物学相关研究工作或生物学。