This note lists the main things that I will be doing with R next year. I took some kind of a break from R over the past 18 months. I plan to change that this coming year, and have compiled the following list of things that I want to explore, or ... [Read more...]

This note documents how the sample() function has changed since R 3.6.0, and how to reproduce its previous behaviour. A recent blog post by Christian Robert reminded me that R had to fix its sample() function in R 3.6.0 and above. The issue that used... [Read more...]

As a complement to the previous note, I have collected every single entity that sponsored a national R conference in France over the last decade. The data include 9 conferences, plus a forthcoming one. For each conference, the number of sponsors varies between 8 and 46, and the number of organising sponsors varies ... [Read more...]

This note celebrates useR! 2019 in Toulouse by listing a few links about R conferences in France and some resources for French R users. My Twitter feed is currently offering me lots of links to slides that are being presented at useR! 2019 in Toulouse... [Read more...]

This note takes a look at some of the new features in Stata 16, which was released this month, and compares those to their R equivalents. Some personal background For background, Stata is the first statistical software that I learnt in depth. I have... [Read more...]

This note lists a few places where one can ask R-related questions and get an answer, usually in no more than a few hours. Why Anyone who has learnt a programming language has a history of questions that they have asked to: themselves – usually f... [Read more...]

The only point of this note is to invite you to fill in the R language survey launched by the R Consortium earlier this month. The official announcement of the survey reads: Please take the survey yourself and help us spread the word on social me... [Read more...]

The only point of this note is to invite you to fill in the R language survey launched by the R Consortium earlier this month. The official announcement of the survey reads: Please take the survey yourself and help us spread the word on social media, by word of mouth, ... [Read more...]

This note lists a few places where one can ask R-related questions and get an answer, usually in no more than a few hours. Why Anyone who has learnt a programming language has a history of questions that they have asked to: themselves – usually followed by a lot of documentation ... [Read more...]

This note lists a few of the organizations that are pushing the R language forward, as of early 2017. R is a happy language right now. Historically, the R Project for Statistical Computing has been supported by the R Foundation since its inception in... [Read more...]

This note lists a few of the organizations that are pushing the R language forward, as of early 2017. R is happy language right now. Historically, the R Project for Statistical Computing has been supported by the R Foundation since its inception in 2... [Read more...]

As a complement to my note on R as a data science language, this note lists ten other technologies that you might want to learn to use, or at least monitor, if you are interested in learning data science. Communication Git is a concurrent versioning... [Read more...]

The R language is a ‘DSL’ – a domain-specific language. The domain that it deals with, however, is not well-defined. In this note, I call R a “data science language” and link to a few resources that make the point better than I could. R as a domain-specific language A few ... [Read more...]

As a complement to my note on R as a data science language, this note lists ten other technologies that you might want to learn to use, or at least monitor, if you are interested in learning data science. Communication Git is a concurrent versioning... [Read more...]

This note briefly introduces the tidykml package, which turns basic KML geometries into tidy data frames that can be visualized with ggplot2. Summary The tidykml package provides a quick way to import data from Google My Maps into R, in a format that makes it easy to manipulate the data ... [Read more...]

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Note to self – Remember to serialize R objects as RDS files when it makes sense. Importing Stata data into R The European Social Survey recently announced that it had added Round 7 of its survey to its cumulative dataset, which can be downloaded in CSV, SPSS or Stata format. While my ... [Read more...]

This note explains to compile Hadley Wickham’s ggplot2 book on Mac OS. This guide has 8 steps. If you have already installed R and RStudio, you should be able to get through Steps 1-4 very quickly. Similarly, if you use Git, Steps 5-6 should also be very straightforward. The longest ... [Read more...]

My collection of R notes is now slightly over one year old. This note reflects on how useful the exercise of blogging about R has been so far, and answers some of the questions that I have received about it. Blogging about R I created my collection of R notes ... [Read more...]

This note is a follow-up to the previous one. It shows how to use student-submitted keywords to find clusters of shared interests between the students. Dear students If you enjoyed my previous note, this one might also entertain you. And since your real first names are used in the data, ... [Read more...]