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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.

My team is continuing to use the R we learned from you and your team - it's been a game changer for us and we've only scratched the surface on what we know how to do.

Kirstin O'Dell
Kirstin O'Dell Senior Research Associate, Center for Improvement of Child and Family Services, Portland State University

The many hours I've spent in front of my computer crunching this data in R has me wondering why I ever did anything else with my life.

Leslie MacColman
Leslie MacColman Department of Sociology, Ohio State University

Fundamentals of R was an approachable, helpful course. I recommend it for anyone who's new or new-ish to R. The format is extremely helpful and the course's user interface makes things really easy.

Clair Hazbun
Clair Hazbun PhD Student, Georgetown University

Thank you David for all you do. I am a newbie to data tools, and I've been wearied of them. Though my pace was a bit slow, I did understand and appreciate your style of coaching. I am now able to venture and learn more!.

Charles Obiorah Medical Laboratory Scientist, AEFUTHA, Nigeria

This is the best R lesson for all beginners. Best Tutor :)

Sylvester Adetor

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

just started using R. It helped a lot.

Saw Eh Thaw

Excellent course to know the basics of this great tool (R).

David Morales
David Morales Universidad Nacional de Colombia

Thank you for the step-by-step tutorial and helpful tips!

Maria Trinh Student at WU Vienna

Very good explanations in an entertaining way, I really enjoyed the course

Julia Maier DLR
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;...