《R语言》(R)[安装包]

《R语言》(R)[安装包]
  • 片  名  《R语言》(R)[安装包]
  • 简  介  发行时间: 2010年制作发行: GNU语言: 英文
  • 类  别  软件
  • 小  类  行业软件


  • 详细介绍简介: R is a language and environment for statistical computing and graphics. It is a GNU project which is similar to the S language and environment which was developed at Bell Laboratories (formerly AT T, now Lucent Technologies) by John Chambers and colleagues. R can be considered as a different implementation of S. There are some important differences, but much code written for S runs unaltered under R.
    R provides a wide variety of statistical (linear and nonlinear modelling, classical statistical tests, time-series analysis, classification, clustering, ...) and graphical techniques, and is highly extensible. The S language is often the vehicle of choice for research in statistical methodology, and R provides an Open Source route to participation in that activity.
    One of R's strengths is the ease with which well-designed publication-quality plots can be produced, including mathematical symbols and formulae where needed. Great care has been taken over the defaults for the minor design choices in graphics, but the user retains full control.
    R is available as Free Software under the terms of the Free Software Foundation's GNU General Public License in source code form. It compiles and runs on a wide variety of UNIX platforms and similar systems (including FreeBSD and Linux), Windows and MacOS.
    R是用于统计分析、绘图的语言和操作环境。R是属于GNU系统的一个自由、免费、源代码开放的软件,它是一个用于统计计算和统计制图的优秀工具。
     R是一套完整的数据处理、计算和制图软件系统。其功能包括:数据存储和处理系统;数组运算工具(其向量、矩阵运算方面功能尤其强大);完整连贯的统计分析工具;优秀的统计制图功能;简便而强大的编程语言:可操纵数据的输入和输入,可实现分支、循环,用户可自定义功能
    [贝尔实验室]
    贝尔实验室

      与其说R是一种统计软件,还不如说R是一种数学计算的环境,因为R并不是仅仅提供若干统计程序、使用者只需指定数据库和若干参数便可进行一个统计分析。R的思想是:它可以提供一些集成的统计工具,但更大量的是它提供各种数学计算、统计计算的函数,从而使使用者能灵活机动的进行数据分析,甚至创造出符合需要的新的统计计算方法。
      该语言的语法表面上类似 C,但在语义上是函数设计语言的(functional programming language)的变种并且和Lisp 以及 APL有很强的兼容性。特别的是,它允许在“语言上计算”(computing on the language)。这使得它可以把表达式作为函数的输入参数,而这种做法对统计模拟和绘图非常有用。
     在R的安装程序中只包含了8个基础模块,其他外在模块可以通过CRAN获得(http://cran.r-project.org)。
    已通过安全检测
    [已通过安装测试]
    已通过安全检测:
    安全检测软件:ESET NOD 32
    版本号:4.0.474.10
    病毒库发布时间:2010/9/11
    已通过安装测试 win7 64bit
    每天9:00 AM-10:00 PM 2M带宽全力供源 个别外出情况除外

  • 《R语言》(R)[安装包]_large