Justin B. Post

Director of Online Education
Associate Teaching Professor
Justin_Post@ncsu.edu (NC State)
919.515.0637

View the Project on GitHub


Data Matters Courses

I’ve taught the following three courses for Data Matters a week-long series of one and two-day courses aimed at students and professionals in business, research, and government from 2016-2023. The material is open to anyone. Feel free to use these materials for educational purpose!


Basics of R for Data Science and Statistics

Course description

This course introduces the powerful and popular R statistical software through the RStudio integrated development environment. R is fully developed programming language and one of the major platforms for doing data science. This course covers frequently used data structures, importing raw data, common data manipulations, summary statistics, and data visualizations through the suite of packages called the tidyverse.

Course Outline

The course provides a modern introduction to the R through the extremely popular suite of packages called the tidyverse. A rough outline is given below:

Day 1:

Day 2:

Here is the course site.


Improving R Programs

Course description

This course introduces common programming techniques that can improve the efficiency of your R programs. These techniques include the use of loops and vectorized functions to avoid repeated sections of code. To really take R programs to the next level, we’ll see how to write custom functions that will help to streamline code.

Course Outline

The course provides a brief overview of R data structures followed by the following topics:

Here is the course site.


R for Automating Workflow & Sharing Work

Course description

The course provides participants an introduction to utilizing R for writing reproducible reports and presentations that easily embed R output, using online repositories and version control software for collaboration, creation of basic websites using R, and the development of interactive dashboards and web applets.

Course Outline

Students will learn about the following topics:

Here is the course site.