天天干天天操天天爱-天天干天天操天天操-天天干天天操天天插-天天干天天操天天干-天天干天天操天天摸

R語(yǔ)言編程環(huán)境培訓(xùn)

Basic R Language

In this module, you'll learn the basics of R, including syntax,

some tidy data principles and processes, and how to read data into R.

Basic R Language: Lesson Choices

Data Manipulation

During this module, you'll learn to summarize,

filter, merge, and otherwise manipulate data in R, including working through the challenges of dates and times.

Data Manipulation: Lesson Choices

Text Processing, Regular Expression, & Physical Memory

During this module, you'll learn to use R tools and packages to deal with text and regular expressions.

You'll also learn how to manage and get the most from your computer's physical memory when working in R.

Text Processing, Regular Expression, & Physical Memory: Lesson Choices

Choice 1: Get credit while using swirl | Choice 2: Get credit by providing a code from swirl

Large Datasets

In this final module, you'll learn how to overcome the challenges of working with large datasets both

in memory and out as well as how to diagnose problems and find help.