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Chief Scientist at Posit who architects R's data science grammar and teaches computational thinking through books and tools.
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Hadley Wickham
Top 3%Chief Scientist at Posit, Wickham authored the canonical references on R development—r4ds, ggplot2-book, adv-r, and r-pkgs—while creating the visualization and data manipulation libraries that became standard practice across the field. His projects have accumulated over 20k stars.
R for Data Science. I wrote a free book that teaches people how to analyze data with R.
5.1kdplyr. dplyr: A grammar of data manipulation
5kDevtools. I made tools that simplify building and sharing R packages.
2.5ktidyr. Tidy Messy Data
1.4kpurrr. A functional programming toolkit for R
1.4kR Packages. I wrote a guide for building and sharing R packages.
950httr. httr: a friendly http package for R
980feather. Feather: fast, interoperable binary data frame storage for Python, R, and more powered by Apache Arrow
2.8kMastering Shiny. I wrote a book teaching people to build interactive web apps.
1.4ktestthat. An R 📦 to make testing 😀
934rvest. Simple web scraping for R
1.5kAdvanced R. I wrote a book teaching advanced concepts in the R programming language.
2.5ktidyverse. Easily install and load packages from the tidyverse
1.8kggplot2 Book. I wrote the complete guide to building beautiful charts from data.
1.7kGenzplyr. I made data tools that use everyday slang instead of technical names.
199Lazyeval. I made tools that let R functions accept code without standard syntax.
134Reshape. I made a tool that rearranges messy data into any shape you need.
214workshop-llm-hackathon. R
34houston-pollen. Scrape Houston pollen data
14Time Will Tell. I made an iOS timer for speakers that shows time left with color warnings.
34Plyr. I made tools that split data work into chunks and recombine the results.
504r-in-production. SCSS
99Strict. I made R stricter so it catches ambiguous code before it becomes a problem.
244Tidyverse History. I wrote a brief history of the tidyverse.
53Bananarama. I built a tool that generates presentation slide images from a configuration file.
36Purrrlyr. I made tools combining two R packages for easier data work.
101lvplot. Letter value boxplots for R
38Rvest. I made a tutorial on extracting data from websites using R.
75productplots. Product graphics for categorical data
30CRAN Deadlines. I built a website that tracks CRAN package deadlines.
22Wickham Family Recipes. I made a shared family recipe collection anyone can browse and add to.
44cocktails. Hadley's cocktail book
34available-work. Scrape Weston Lambert's available products
21nasaweather. Data from the 2006 ASA data expo
13Pryr. I built tools to inspect R's internal mechanics.
204Stringb. I built a lightweight text tool for R that needs nothing else installed.
75ggplot1. I built the original charting tool that inspired ggplot2.
34httr2. I gave a talk on how to work with web services from R.
42l1tf. L1 trend filtering
33smolpoll. Go
11eggnogr. Shiny app for scaling eggnog
14GHA. I wrote tools that make GitHub Actions output actually readable.
20R Internals. I wrote a guide for building C extensions that connect to R.
362mutatr. Prototype-based mutable objects for R, based on io and javascript
13Baby Names. I compiled US baby name popularity data spanning 1880 to 2008.
226docker. My personal dockerfiles
17Fuel Economy. I compiled fuel economy data for thirty years of cars.
39Assertthat. I built better error checking for R that shows you what actually went wrong.
213Mturkr. I made it easy to run surveys on Amazon Mechanical Turk from R.
19Requirements. I built a tool that finds all the packages your R code needs.
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