Before we Start


Figure 1

Positron extends what R can do, and makes it easier to write R code and interact with R.

Figure 2

automatic car gear shift representing the ease of Positron

Figure 3

A picture of Positron interface
Positron interface

Figure 4

A picture showing the layout of a good working directory as described above
Example of a working directory structure

Introduction to R


Starting with Data


Figure 1

A 3 by 3 data frame with columns showing numeric, character and logical values.{alt = ‘A 3 by 3 data frame with columns showing numeric, character and logical values.’}


Data Wrangling with dplyr and tidyr


A couple of plots. And making our own functions


Figure 1


Figure 2


Figure 3


Figure 4


What is the next step?What should I do next?