In this third post on Measles data I want to have a look at some high incidence occasions. As described before, the data is from Project Tycho, which contains data from all weekly notifiable disease reports for the United States dating back to 1888. These data are freely available to anybody...
The MathWorks has an interesting demo on how the shape of a circus tent can be modeled as the solution of a quadratic program in MATLAB. In...
With the recent release of R-3.1.0, and the near-recent release of OpenBLAS 0.29rc2, it was time to recompile Rblas.dll and do some new speed tests. The test computer has...
After a few months of testing we present OpenCPU versions 1.3 and 1.4. These releases do not introduce any major changes in the...
For the previous article I needed a quick way to figure out if two sets of points are linearly separable. But for crying out loud I could not find a...
I've lost about 100 hours over the past week to the black hole of 2048. In an attempt to...
We are in the midst of what many are calling a "golden age" of the NBA. Being in the midst of a time where attention to the sport has...
We use R to take a very brief look at the distribution of e-book sales on Amazon.com. Recently Hugh Howey shared some eBook sales data spidered from Amazon.com: The...
The Mountain View Voice is a weekly newspaper serving the Silicon Valley area, and is a familiar sight to anyone wandering the streets of Palo Alto or Menlo Park....
A couple of weeks ago, I participated in a panel discussion for DM Radio: "Still Sexy? How's that Data Scientist Gig Working Out?". The title was provocative, but the...
Just after Easter, I'll go for a very quick trip to lovely Girona, where Marc Saez has invited me to give two talks.The first one will be a re-run...
As I often manipulate time series from different sources, I rarely come across the same date format twice. Having to reformat the dates every time is a real waste...
We are happy to introduce Reot, an R package designed for empirical orthogonal teleconnection (EOT) analysis of gridded geo-scientific space-time data based on the method by van den Dool...
Gitbook has been getting some (deserved) attention. For those who haven’t seen it, Gitbook is a system to create really beautiful interactive web (or PDF and ebook) books....
Publishing in GitHub Publishing in GitHubI struggled to make my first repository in GitHub. I finally found out the steps to...
Dear all, recently I have designed a database for Multiple Myeloma, which can easily be extended to include other malignancies and chronic diseases.The database and its guide can be...
Geomorph users,The function physignal() in version 2.0 has a mistake in the manual regarding the input matrix: only 3D array can be used at this time. The next version will have...
by Joseph Rickert One of the remarkable features of the R language is its adaptability. Motivated by R’s popularity and helped by R’s expressive power and transparency developers working...
Hadley Wickam released the dplyr package in January 2014. Since then I have been itching to give it a try as it has been suggested to speed up some...
Myfxbook provides an interface to your FOREX trading accounts as well as an active trading community. It has a broad range of functionality including a responsive interface to the...
Editor's note: This is a guest post from Matt Sundquist form the Plot.ly team.You can access the source code for this post at https://gist.github.com/sckott/10991885Ggplotly and
Ethan Siegel wrote a post entitled The Math of the Fastest Human Alive five years ago, using regressions. An alternative is too use extreme value models (I wrote a post a...
BitsanityThe awesome folks at Quandl (an amazing data collection and distribution service) have been so kind as to allow me to write for their blog.In my first post for...
As a language for statistical computing, R has always had a bias towards linear algebra, and is optimized for operations dealing in complete vectors and matrixes. This can be...
This is a follow-up blog-post to an earlier introductory post by Steven Brey: Using R: Working with Geospatial Data. In this post, we’ll learn how to plot geospatial data in...
I’m pleased to announce that a rewrite of my first chapter of “Modeling Data With Functional Programming In R” is …Continue reading →
Here are my notes from a recent talk I gave on vectorization at a Davis R Users’ Group meeting. Thanks to Vince Buffalo, John...
Dear geomorph users,version 2.0 of geomorph brings new developments in how shape deformations from 3D coordinate shape data can be viewed. We have implemented warping of 3D surface files...
Geomorph users,We have uploaded version 2.0 to CRAN. The windows and mac binaries have been compiled and the tarball is available.Version 2.0 comes with substantial changes and new features: New function...
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