Articles by R Views

April 2021: “Top 40” New CRAN Packages

May 24, 2021 | R Views

One hundred seventy-nine new packages made it to CRAN in April. Here are my “Top 40” picks in twelve categories: Computational Methods, Data, Genomics, Machine Learning, Mathematics, Medicine, Networks, Operations Research, Statistics, Time Series, Utilities, and Visualization. Computational Methods abess v0.1.0: Provides a toolkit for solving the best subset selection problem ...
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Basic FDA Descriptive Statistics with R

May 13, 2021 | R Views

In a previous post, I introduced the topic of Functional Data Analysis (FDA). In that post, I provided some background on Functional Analysis, the mathematical theory that makes FDA possible, identified FDA resources that might be ...
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March 2021: “Top 40” New CRAN Packages

April 21, 2021 | R Views

By my count, two hundred twenty-one new packages stuck to CRAN in March 2021.1 Here are my “Top 40” selections in twelve categories: Computational Methods, Data, Engineering, Genomics, Machine Learning, Medicine, Music, Networks, Science, Statistics, Utility, and Visualization. Two of these categories Engineering and Music have only one entry each. However, I ...
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COVID-19 Data Forum: Data Journalism

April 5, 2021 | R Views

The COVID-19 Data Forum, a joint project of the Stanford Data Science Institute and the R Consortium, is an ongoing series of multidisciplinary webinars where topic experts discuss data-related aspects of the scientific response to the pandemic. The most recent event, held on March 18, 2021, explored the role of data journalism ...
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What does it take to do a t-test?

March 28, 2021 | R Views

In this post, I examine the fundamental assumption of independence underlying the basic Independent two-sample t-test for comparing the means of two random samples. In addition to independence, we assume that both samples are draws from no...
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February 2021: “Top 40” New CRAN Packages

March 18, 2021 | R Views

In February, two hundred forty-three new packages made it to CRAN, many of them very interesting and at least one entertaining. It was exceptionally difficult to pick the “Top 40”, but here they are, more or less, in eleven categories: Computational Methods, Data, Finance, Games, Genomics, Machine Learning, Mathematics, Medicine, Networks ...
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Cheat Sheets

March 9, 2021 | R Views

In a previous post, I described how I was captivated by the virtual landscape imagined by the RStudio education team while looking for resources on the RStudio website. In this post, I’ll take a look at Cheatsheets another amazing resource hiding in plain sight. Apparently, some time ago when ...
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2021 R Conferences

March 2, 2021 | R Views

It is not yet clear what lasting impact the Covid-19 pandemic will ultimately have on R conferences. We are still adapting to our inability to attend large events, and trying to make the best of the “silver lining” of virtual events which permit worldwide participation. The following is an attempt ...
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January 2020: “Top 40” New CRAN Packages

February 23, 2021 | R Views

Two hundred thirty new packages made it to CRAN in January. Here are my “Top 40” selections in ten categories: Data, Finance, Genomics, Machine Learning, Medicine, Science, Statistics, Time Series, Utilities, and Visualization. Data igoR v0.1.1: Provides tools to extract information from the Intergovernmental Organizations (‘IGO’) Database , version 3, provided by the ...
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R Interface for MiniZinc

February 14, 2021 | R Views

Akshit Achara is a medical device engineer and computer science enthusiast based in Bengaluru, Karnataka, India. You can connect with Akshit on LinkedIn. Introduction Constraint programming is a paradigm for solving combinatorial problems that draws on a wide range of techniques from artificial intelligence, computer science, and operations research. MiniZinc ... [Read more...]

Some thoughts on rstudio::global talks

February 3, 2021 | R Views

The fifty-five videos from last month’s rstudio::global conference are now available online. You will find them at the link above arranged in ten categories (Keynotes, Data for Good, Language Interop, Learning, Modeling, Organizational Tooling, Package Dev, Programming, Teaching, and Visualization) that reflect fundamental areas of technical and community ...
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Dec 2020: “Top 40” New CRAN Packages

January 28, 2021 | R Views

One hundred twenty-three new packages made it to CRAN in December. Here are my “Top 40” selections in nine categories: Computational Methods, Data, Genomics, Machine Learning, Medicine, Science, Statistics, Utilities, and Visualization. Computational Methods FKF.SP v0.1.0: Provides a fast and flexible Kalman filtering implementation utilizing sequential processing, designed for efficient ...
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SEM Time Series Modeling

January 21, 2021 | R Views

Andrea Luciani is a Technical Advisor for the Directorate General for Economics, Statistics and Research at the Bank of Italy, and co-author of the bimets package. Structural Equation Models (SEM), which are common in many economic modeli...
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A Custom Forest Plot from Wonderful Wednesdays

January 14, 2021 | R Views

Waseem Medhat is a Statistical Programmer and Computational Experimentalist who resides in Alexandria, Egypt This post takes a closer look at the forest plot that was mentioned in a previous post introducing PSI’s Wonderful Wednesdays events. It describes a custom version of a forest plot with additional bands to ...
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Wonderful Wednesdays

January 10, 2021 | R Views

For almost a year now, the PSI Visualization Special Interest Group (VIS SIG) has been conducting a monthly graduate-level seminar on creating effective statistical visualizations that is open to everyone. Wonderful Wednesdays is a unique collegial event. Every month the SIG publishes a link to a new data set and ...
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COVID-19 Data: The Long Run

January 5, 2021 | R Views

The world seems to have moved to a new phase of paying attention to COVID-19. We have gone from pondering daily plots of case counts, to puzzling through models and forecasts, and are now moving on to the vaccines and the science behind them. For data scientists, however, the focus ...
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November: “Top 40” New CRAN Packages

December 21, 2020 | R Views

Two hundred ninety-two new packages made it to CRAN in November. Picking forty was unusually difficult. Nevertheless, here are my “Top 40” selections in twelve categories: Archaeology, Computational Methods, Data, Epidemiology, Games, Machine Learning, Mathematics, Medicine, Statistics, Time Series, Utilities, and Visualization. R developers continue to extend the reach of R. ...
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Plotting Surfaces with R

December 13, 2020 | R Views

In this post, I’d like to review some basic options for plotting three dimensional surfaces in R. In addition to producing some eye catching visualizations, plotting surfaces can also help develop one’s geometric intui...
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