比如foreachhttps://cran.r-project.org/web/packages/foreach/vignettes/foreach.pdf提供了 foreach函数 和%do%操作符，实现向量化。6. 作图ggplot2这是我最喜欢R的一个地方，ggplot2兼容graphic grammar，http://vita.had.co.nz/papers/layered-gramma
They are well written, comprehensive, and represent one of the main assets of the software.1 They are accompanied by documentation in PDF format that offers detailed examples for each Stata function, as well as by YouTube tutorial videos. These resources are relevant for all Stata users—from ...
目前学习统计学实现工具最好用最流行的就是SPSS，学习计量经济学实现工具最好用最流行的就是Stata，而机...
They are well written, comprehensive, and represent one of the main assets of the software.1 They are accompanied by documentation in PDF format that offers detailed examples for each Stata function, as well as by YouTube tutorial videos. These resources are relevant for all Stata users—from ...
1、SAS软件 SAS软件是生物统计领域的老牌软件，其权威性一直很高。SAS 是英文Statistical AnalysisSystem的...
7年前，大四专业课上开始接触到SPSS、SAS等统计软件；硕士期间去克国学习交流R语言，硕士毕业前用STATA...
（三）数据结果呈现选择 二、框架：做数据分析必懂的研究框架 （一）影响关系类研究 （二）现状政策类...
1.SAS模块简介 1、BASE：即Foundation SAS。基础编程模块，主要功能为数据管理、统计分析、报表生成和图形...
Stata，学的不深，只是看了看网上的tutorial，会用基本的regression之类的。因为是免费软件，网上的免费...
R Tutorial For Beginners 包括安装，环境，基本的命令，操作符等 Data Management in R | Quick-R 从...