Articles by David Smith

Strata 2015: Keynote roundup

February 23, 2015 | David Smith

I spent last week at the Strata 2015 Conference in San José, California. As always, Strata made for a wonderful conference to catch up on the latest developments on big data and data science, and to connect with colleagues and friends old and new. Having been to every Strata conference since ... [Read more...]

CRAN: the Granddaddy of Analytical Marketplaces

February 20, 2015 | David Smith

by Bill Jacobs, VP Product Marketing, Revolution Analytics I had a most interesting exchange with an industry analysis firm recently who suggested that application marketplaces were critical to the success of analytical tools, suggesting that Revolution Analytics was remiss in not creating one. I must say, I was taken aback ... [Read more...]

An R tutorial for Microsoft Excel users

February 16, 2015 | David Smith

If you currently use a spreadsheet like Microsoft Excel for data analysis, you might be interested in taking a look at this tutorial on how to transition from Excel to R by Tony Ojeda. The tutorial explains how to use R functions in place of Excel formulas, including tools like =... [Read more...]

R among top languages on GitHub

February 11, 2015 | David Smith

The site githut.info provides quarterly statistics on programming language activity on GitHub, by number of repositories, pushes, forks etc. Ranked by number of active repositories on GitHub, R is the 12th most popular programming language as of Q4 2014. JavaScript, Java and Python appear as the top 3 in the same ... [Read more...]

In case you missed it: January 2015 roundup

February 9, 2015 | David Smith

In case you missed them, here are some articles from January of particular interest to R users. Slides on reproducible data analysis with Revolution R Open and the checkpoint package. A review of a recent Bay Area R User Group meetup, featuring Hadley Wickham, Ryan Hafen and Nick Elprin. In ... [Read more...]

Quickcheck: Randomized unit testing for R

February 4, 2015 | David Smith

Hadley Wickham's testthat package has been a boon for R package authors, making it easy to write tests to verify that your code is working directly, and alerting you when you make changes to your code that inadvertently breaks things. For the RHadoop project, though, developer Antonio Piccolboni needed a ... [Read more...]

Paris’s history, captured in its streets

February 2, 2015 | David Smith

The following image by Mathieu Rajerison has been doing the rounds of French media recently. It shows the streets of Paris, color-coded by their compass direction. It's been featured in an article in Telerama magazine, and even on French TV Channel LCI (skip ahead to 8:20 in the linked video. which ... [Read more...]

Now’s a great time to learn R. Here’s how.

January 28, 2015 | David Smith

In a recent article at opensource.com, I offer up some reasons why now is the time to learn R: data scientists are in high demand, R is the natural language for data scientists, and companies around the world are using R (and hiring R programmers) to make sense of ... [Read more...]

Microsoft acquires Revolution Analytics – news roundup

January 26, 2015 | David Smith

There was a lot of news coverage on Friday and over the weekend about the news that Microsoft will acquire Revolution Analytics. Here are some links to just a few of the articles published. Wired: Microsoft is "heavily embracing the R programming language"; "the move deepens Microsof's investments in open ... [Read more...]

xkcd on P-values

January 26, 2015 | David Smith

From the "statistician humour" department, today's xkcd cartoon will ring a bell for anyone who's ever published (or read!) a scientific article including a P-value for a statistical test: If finding P-value excuses is a common activity for you (and let's hope not!) then R has you covered with the ... [Read more...]

Revolution Analytics joins Microsoft

January 23, 2015 | David Smith

by David Smith, Chief Community Officer On behalf of the entire Revolution Analytics team I am excited to announce that Revolution Analytics is joining forces with Microsoft to bring R to even more enterprises. Microsoft announced today that it will acquire Revolution Analytics. Now, Microsoft might seem like a strange ... [Read more...]

A beautiful story about NYC weather

January 21, 2015 | David Smith

Inspired by Tufte's classic visualization of New York City weather in 2013, Alex Bresler used the R language to update the chart for 2014: (Click the image to view the zoomable SVG version.) The R code to create the plot is available on GitHub, and is easily adapted to display data for ... [Read more...]

Learn Statistics and R online from Harvard

January 16, 2015 | David Smith

Harvard University is offering a free 5-week on-line course on Statistics and R for the Life Sciences on the edX platform. The course promises you will learn the basics of statistical inference and the basics of using R scripts to conduct reproducible research. You'll just need a backround in basic ... [Read more...]

R is still hot, and getting hotter

January 14, 2015 | David Smith

It's been more than four years since I wrote the white paper R is Hot with the goal of introducing R to companies who need modern and flexible data analysis software. It's still the most-downloaded whitepaper on the Revolution Analytics website. But a lot has changed in the past four ... [Read more...]

Join and set operations come to dplyr

January 12, 2015 | David Smith

The team at RStudio have just released an update to the immensely useful dplyr package, making it even more powerful for manipulating data frame data in R. The new 0.4.0 version adds new "verbs" to the syntax for mutating joins (left join, right join, etc.), filtering joins, and set operations (intersection ... [Read more...]

Bioconductor project advances understanding of genetics

January 9, 2015 | David Smith

Bioconductor is a project to develop and curate a collection of R packages used for analysis of genetic data (specifically, analysis and comprehension of high-throughput genomic data). With the wealth of genetic data on humans and animals now available, Bioconductor is widely used in medical research to understand how genes ... [Read more...]

In case you missed it: December 2014 roundup

January 9, 2015 | David Smith

In case you missed them, here are some articles from November of particular interest to R users. R was featured in recent articles in Nature News and Mashable. A recap of the 6th Spanish R Users Conference. R was the recipient of a 2014 "Bossie" award for best open-source big data ... [Read more...]
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