## Try R

 所在平台: Code School 课程类别: 计算机科学 大学或机构: Code School

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#### 课程详情

Learn the R programming language for data analysis and visualization. This software programming language is great for statistical computing and graphics.

Course Prerequisites
Basic Programming Knowledge

Course Overview

Level 1
R Syntax

A gentle introduction to R expressions, variables, and functions.

Level 2
Vectors

Grouping values into vectors, then doing arithmetic and graphs with them.

Level 3
Matrices

Creating and graphing two-dimensional data sets.

Level 4
Summary Statistics

Calculating and plotting some basic statistics: mean, median, and standard deviation.

Level 5
Factors

Creating and plotting categorized data.

Level 6
Data Frames

Organizing values into data frames, loading frames from files and merging them.

Level 7
Working With Real-World Data

Testing for correlation between data sets, linear models, and extending R with additional libraries.

#### 课程评论(1条)

 2 52nlp 2013-07-08 19:00 2 票支持; 0 票反对 对R语言关注了很久，但是一直没有机会来学习这门语言，刚好Code School上的这门Try R课程免费，就认真的学习了一把，这样我所接触和学习的编程语言又多了一门，虽然很多不常用。 学习这门课印象最深的是R语言用“<-”来赋值，其他则和学习其他语言的感觉类似。这门R语言的学习课程先介绍基本的语法，然后介绍了向量和矩阵的操作，再介绍一些基本的统计量的计算和绘图，例如均值，中位数和标准差，最后再介绍对实际数据的操作和可视化，对于了解R语言很有帮助，但是深入的了解应该还需要其他的辅助手段。

#### 课程简介

Learn the R programming language for data analysis and visualization. This software programming language is great for statistical computing and graphics.

#### 课程标签

R R基础 R入门 R学习 R语言 R语言入门 R编程 统计 R编程入门 编程 编程语言