Posts specifically about R language including documentation, interesting applications, tips for beginners, tips for more advanced users and advice for developers

Some R News

by Joseph Rickert Here are a few things of some interest in the R world: The Gordon and Betty Moore Foundation has joined the R Consortium! This is a very positive development for the R Consortium and the R Community in general. The Moore Foundation has been a positive force for supporting technology that can [...]

December 2016 Package Picks

by Joseph Rickert Last month, 217 new packages were submitted to CRAN. By my count this was the highest monthly value recorded for the past nine years. Below, are brief descriptions of fifty-two of these new-for-December packages grouped into six categories: Data, Data Science, Financial Analysis, Statistics, Utilities and Visualizations. The Financial Analysis category is [...]

10,000 CRAN Packages

by Joseph Rickert The R package system continues to expand as the number of packages on CRAN is about to blow through the 10,000 mark sometime soon. This is astonishing! Not only are new packages arriving at a rate of about 190 per month, but CRAN itself continues to tick along like a well-oiled machine, [...]

Interview with Joe Cheng

by Joseph Rickert Recently, I had the opportunity to interview RStudio’s Joe Cheng. Joe, the inventor and lead developer for Shiny, was the first person that J.J. Allaire invited to join the RStudio IDE project. We talked about those early days, how Shiny got started, Joe’s background as a software developer, his take on the [...]

Get Ready for RStudio::Conf

by Joseph Rickert The 2017 R Conference season will get off to an early start on January 13th and 14th with RStudio::Conf 2017 in Orlando, Florida. The schedule promises an intense but collegial experience with plenty of hands-on practice working with R and the RStudio tool chain of packages and products. To prepare for the [...]

R for Enterprise: How to Scale Your Analytics Using R

by Sean Lopp At RStudio, we work with many companies interested in scaling R. They typically want to know: How can R scale for big data or big computation? How can R scale for a growing team of data scientists? This post provides a framework for answering both questions. Scaling R for Big Data or [...]

Reproducible Finance with R: A Shiny ETF Map

by Jonathan Regenstein In a previous post, we built an R Notebook that laid the groundwork for a Shiny app that allows users to graph country ETFs by clicking on a world map. In today’s Fun Friday post, we’ll charge forth to build that app, again using a flexdashboard so that we can stay in [...]

Reproducible Finance with R: Pulling and Displaying ETF Data

by Jonathan Regenstein It’s the holiday season, and that can mean only one thing: time to build a leaflet map as an interface to country Exchange Traded Fund (ETF) data! In previous posts, we examined how to import stock data and then calculate and display the Sharpe Ratio of a portfolio. Today, we’re going to [...]

November Package Picks

by Joseph Rickert November was a prolific month for R developers: 189 new packages landed in CRAN. I have selected more than a quarter of them for this post, but I haven’t listed everything that is worth a look. My November 2016 picks are organized into four categories: Biotech (4 picks), Data (6 picks), Machine [...]

Writing Good R Code and Writing Well

by Joseph Rickert If you are aspiring to write good R code, you may find it helpful to occasionally spend some time reading about writing: reading about writing R code, and reading about writing about R code that you’ve written. (If you write some excellent R code, you will likely have the opportunity to write [...]

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