Blog Archives

A beautiful story about NYC weather

January 21, 2015
By
A beautiful story about NYC weather

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 any of the other cities provided in...

Read more »

Introduction to Applied Econometrics with R

January 19, 2015
By

Bruno Rodrigues teaches a class on applied econometrics at the University of Strasbourg, with a focus on implementing econometric concepts in the R language. Since many of the students don't have any previous programming background, he's put together a tutorial on the basics of applied econometrics with R. The first two chapters serve as a general-purpose beginners' introduction to...

Read more »

Learn Statistics and R online from Harvard

January 16, 2015
By

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 math and programming to follow along and complete homework...

Read more »

R is still hot, and getting hotter

January 14, 2015
By

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 years: R's popularity has grown, and more and more...

Read more »

Join and set operations come to dplyr

January 12, 2015
By

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 and union). There's also some new documentation to...

Read more »

Bioconductor project advances understanding of genetics

January 9, 2015
By

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 influence our health, and to develop new therapies and...

Read more »

In case you missed it: December 2014 roundup

January 9, 2015
By

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 tools. A fractal Christmas tree created with R....

Read more »

Twitter’s new R package for anomaly detection

January 7, 2015
By
Twitter’s new R package for anomaly detection

For Twitter, finding anomalies — sudden spikes or dips — in a time series is important to keep the microblogging service running smoothly. A sudden spike in shared photos may signify an "trending" event, whereas a sudden dip in posts might represent a failure in one of the back-end services that needs to be addressed. To detect such anomalies,...

Read more »

Talk to R

January 5, 2015
By
Talk to R

Here's a neat demo from Yihui Xie: you can talk to this R graph and customize it with voice commands. You'll need to click through the link to start the demo in a new window, and you'll need to be using Chrome and allow access to your microphone. (If you can't get it to work on your system, here's...

Read more »

Happy New Year! A look at the top posts from 2014.

January 1, 2015
By

Happy New Year everyone! Another year has come and gone, and this blog has just entered its seventh year of publication. (Once again, I missed the anniversary back on December 9.) Thanks to everyone who has supported this blog over the past 6 years by reading, sharing and commenting on our posts. And an extra- special thanks to all...

Read more »