R-bloggers

_Photo by Federico Beccari on Unsplash_ The Challenges of Complexity and Underutilization Organizations typically have multiple different environments and frameworks to support their analytic work, with each tool providing spec...

In this article I will highlight the features of VS Code that match RStudio exactly, such as the “interactive notebook window” (called the Console in R) or the “variable explorer” (like running View() on a data frame in RStudio). At the bottom of this post I will provide two JSON ...

This document describes an expansion of the R graphics engine to support a number of new graphical features: gradients, patterns, masks, and clipping paths. Paul ...

In March we held a Community Call discussing the maintenance of R packages. This call included a starting presentation by Julia Silge followed by a discussion featuring panelists with a wide variety of backgrounds: Elin Waring, Erin Grand, Leonardo Collado-Torres and Scott Chamberlain. The rOpenSci Package Maintenance Community Call was ...

Daniel Hanson is a full-time lecturer in the Computational Finance & Risk Management program within the Department of Applied Mathematics at the University of Washington. His appointment followed over 25 years of experience in private sector quantitative development in finance and data science. In the first post in this series, we looked ...

A place for Python applications For data science teams looking to promote data-driven decision making within an organization, interactive applications built in R and Python are often the gold standard. These interactive tools, built by data science teams, are powerful when put in the hands of the right people, but ...

I’m pleased to announce that we have achieved a new record: We’ll be paying out over \$1,000,000 to our instructor community in ongoing royalties for their learning content in a single quarter. DataCamp’s top five instructors will each receive a...

As the post on “hello world” functions has been quite appreciated by the R community, here follows the second round of functions for wannabe R programmer. # If else statement: # See the code syntax below for if else statement x=10 if(x__1){ print(“x is greater than 1”) }else{ print(“x is ...

In September, we are usually happy to see our favorite TV series back on air… Or not? Because admit it, if we are happy to see those characters back, most of the time, we are disappointed. So why not look at the data, to confirm this feeling? Nazareno Andrade shared ...

At rstudio::conf(2020) we announced the Shiny Contest 2020. Since then, lots changed in the world, and we decided to hold off on announcing the results of the contest for a bit. Today we would like to take some time to acknowledge the w...

I’ve been doing some machine learning recently, and one thing that keeps popping up is the need to explain the models and their components. There are a variety of ways to go about explaining model features, but probably the most common approach is to use variable (or feature) importance ...

An express riddle from the Riddler about reopening pools, where lanes are allowed provided there is no swimmer in the lane or in any of the adjacent lanes. If swimmers pick their lane at random (while they can), what is the average number of occupied lanes? If there are n ...

This post is going to be a little different from my usual, as it relies heavily on calls to ffmpeg. This should work on Linux/OSXContinue ReadingCreate a Radial Movie/TV Barcode Using Polar Coordinates

I just learned that in sheep, lambs from the same litter pretty often have different fathers, if the ewe has mated with different males. Berry et al. (2020) looked at sheep flocks on Irland that used more than one ram, and: Of the 539 pairs of twins included in the analysis, 160 (i....

This is the first of probably two posts detailing the construction of an RShiny app. The app in question is meant to take data from two Spotify playlists, make recommendations for tracks from one – which I’ll call the “target” playlist – based on the contents of another – the “reference” playlist. ...