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Learn to use the most powerful tool for working with data.
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R in 3 Months

R in 3 Months

Looking for even more? R in 3 Months is a cohort-based program to help you finally learn R.

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With R in 3 Months, you’ll get high-quality instruction that will guide you from R newbie to R expert.

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You'll work on your own code every week and get in-depth feedback.

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You'll be on this journey alongside a supportive community that will help you learn and keep you accountable to yourself.

Testimonials

Don't Take it From Us

Our learners say it best.

It’s like I’ve broken through a wall that had been stopping me [from learning R]!

On my journey through R in 3 Months, I went from excited to overwhelmed to confident. The way David and Charlie were able to adapt to our different needs and take me from never having coded to producing a final report all in R was amazing.

Lucilla Piccari
Lucilla Piccari Research Physician, Pulmonary Hypertension Unit Hospital del Mar (Barcelona)

I was overwhelmed with the prospect of starting to use R, especially given all the many websites and resources available online. This course was exactly what I needed - clear and organized ideas, step-by-step instructions, and the use of real examples and practice strategies. Such a wonderful resource!

Benjamin Haywood
Benjamin Haywood Director, National Non-Profit Organization

For me as a university student who wants to learn everything new, I was attracted to your course when my doctor talked about it. So I will continue learning it until the end. Your explanation was comprehensive, useful and simple. In addition, please wished me success because I will use this programming language during my studies for my university research.

Suhailah Almulla
Suhailah Almulla Student, Kuwait Unevrsity

R for the Rest of Us is such a helpful platform to get started in R or to improve your knowledge and skills in R! The courses are well-structured and paced. Looking forward to continuing my R learning journey!

Hatem Kotb
Hatem Kotb Product Manager & Data Analyst

Very easy to follow along and learn a lot in a short amount of time!

Rosemarie Stenfeldt

This course is fantastic! I can't say enough good things about it. There were a few basic functions that I had already learned in R but I had always struggled with retaining the information because I'd never quite understood the grammar around how to piece functions together. David breaks down everything into really easy to understand and digestible chunks. I was asked to complete an assessment in R for a job interview only 2 days after finishing this course; I was able to complete the assessment and was asked to progress to the next stage of interviewing. With a lifetime access, this course is well worth the money. I would 100% recommend this course to a friend or colleague.

Chiara Sumich Researcher and Evaluator

If an 84-year-old complete coding novice can get something out of this course, anyone can. The ability to ask questions and get answers was especially helpful.

Sue Reinert

This course will be a great intro to get users started with R.

Very good explanations about how to using r, also he doesn't go fast so you can understand way better everything. Highly reccomendated :)

Diego Student
Consulting

Let Us Handle the R

High-quality data visualization, workflow improvements, and custom packages to enable organizations to communicate more effectively and more efficiently.

Childhood Bereavement Estimation Model Reports

Judi’s House/JAG Institute, a nonprofit in Colorado, provides support regarding childhood bereavement. In 2018, they created the Childhood Bereavement Estimation Model® (CBEM) to estimate rates of children losing a parent or sibling before adulthood. Annual CBEM reports were produced, but racial and ethnic data breakdowns were lacking until 2021. Partnering with R for the Rest of Us, they generated high-quality, easy-to-understand reports on bereavement disparities by race and ethnicity. These national and state-level reports, created using parameterized reporting and RMarkdown, help advance their vision that no child should be alone in grief.

Immunization Agenda 2030 Reports

The World Health Organization's Immunization Agenda 2030 (IA2030) aims to improve global vaccine access. To better report progress, the International Vaccine Access Center at Johns Hopkins University partnered with R for the Rest of Us in 2023. They produced 72 user-friendly country-level reports in English and French, using parameterized reporting. These reports highlight individual country progress, use less technical language than previous online scorecards, and are in a printable PDF format for review.

NOAA Fisheries West Coast Region R Training Website

Improving R Training for NOAA Fisheries West Coast Region

NOAA Fisheries West Coast region (NOAA WCR) aims to maintain healthy fish populations along the west coast, with offices in California, Oregon, and Washington. Recently, they have increased their use of R, arranging internal trainings and seeking additional support in 2024 from R for the Rest of Us. They created a 6-week training program focusing on R fundamentals, advanced R topics, and GitHub integration. By the end, NOAA WCR staff efficiently produced technical memoranda and improved their workflows using R and Quarto.
Blog

Blog

Learn to use the most powerful tool for working with data.
Even if you've never coded before.

How to make heatmaps in ggplot

May 1, 2025

Heatmaps are a common way of representing data. In this blog post, I'll show you how to make your own heatmaps using ggplot. In the process, you'll learn a bit about working with the {sf} package, specifically the st_make_grid() function to make a grid, the st_intersection() function to clip the boundaries of your geography to the grid you create, and st_join() to do spatial joins. This blog post is adapted from a lesson in the Mapping with R course . If you want to learn to make heatmaps...

Use shadows in ggplot to highlight findings

April 24, 2025

In our consulting work, we make a lot of the data visualization for parameterized reporting . It’s something I spoke about in my 2024 Cascadia R Conf talk, How to Make a Thousand Plots Look Good: Data Viz Tips for Parameterized Reporting . One example I gave in this talk came from our work with the Johns Hopkins International Vaccine Access Center and the World Health Organization . In this project, we made reports for the Immunization Agenda 2030 project, which tracks the progress countries...

Create your own custom {ggplot2} theme

April 3, 2025

Creating custom themes in {ggplot2} lets you elevate your data visualizations from standard to standout. Whether you’re aiming for a polished, brand-consistent look for your organization or a unique aesthetic that reflects your personal style, a custom theme function makes it easy to apply your design to all figures with a single line of code. In this tutorial, we’ll cover: the essentials of the powerful ggplot2::theme() function, including how to adjust fonts, colors, sizing, and spacing;...