R

Course Description

R is a free, open-source, statistical programming language and it is possibly the single most important tool in data science. In this non-technical overview, learn what makes R special and how it can be used to make data science easy, efficient, and insightful.

Course Information

  • Introductory level
  • 20 streaming video tutorials
  • 2 hours 11 minutes of instruction
  • Created by Barton Poulson
  • Published 26 September 2016 
  • Videos are shared freely with a Creative Commons Attribution license

Note. To navigate the videos, click on the menu icon (☰) in the top left of the video.

Table of Contents

INTRODUCTION

  • Welcome {2:18}

SETTING UP

  • Installing R {4:56}
  • RStudio {4:53}
  • Packages {7:24}

BASIC GRAPHICS

  • plot() {8:34}
  • Bar charts {4:21}
  • Histograms {7:34}
  • Scatterplots {4:55}
  • Overlaying plots {7:51}

BASIC STATISTICS

  • summary() {3:19}
  • describe() {4:29}
  • Selecting cases {5:56}

ACCESSING DATA

  • Data formats {15:25}
  • Factors {6:55}
  • Entering data {5:45}
  • Importing data {8:11}

ANALYZING DATA

  • Hierarchical clustering {7:06}
  • Principal components {9:41}
  • Regression {9:20}

CONCLUSION

  • Next steps {2:04}