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The OpenData movement has the White House producing and releasing some novel datasets. One of them is the We The People petition site. I learned about this from Proofreader.com’s interesting python work using that data. From the petition site, you can see an interesting gallery of work done ... [Read more...]

The OpenData movement has the White House producing and releasing some novel datasets. One of them is the We The People petition site. I learned about this from Proofreader.com’s interesting python work using that data. From the petition site, you can see an interesting gallery of work done ... [Read more...]

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A new Armadillo release 6.700.3 is out, and we uploaded RcppArmadillo 0.6.700.3.0 to CRAN and Debian. This followed the usual thorough reverse-dependecy checking of by now 216 packages using. Armadillo is a powerful and expressive C++ template libra... [Read more...]

by Joseph Rickert Basically, there are two kinds of graphics or plots you can make from a data set: (1) those that allow you to see what is going on with the data, and (2) those you make to communicate what you have found to someone else. When making the first kind, ... [Read more...]

We have a plan to make the conference's review committee representative. The post The representative reviewers project for the SJDM conference appeared first on Decision Science News. [Read more...]

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This afternoon, while I was discussing with Montserrat (aka @mguillen_estany) we were wondering how long it might take to run a regression model. More specifically, how long it might take if we use a Bayesian approach. My guess was that the time should probably be linear in , the number ... [Read more...]

If you’ve been using R for a while, and you’ve been working with basic data visualization and data exploration techniques, the next logical step is to start learning some machine learning. To help you begin learning about machine learning in R, I’m going to introduce you to ... [Read more...]

By Srini Kumar, Director of Data Science at Microsoft Who does not hate being stopped and given a traffic ticket? Invariably, we think that something is not fair that we got it and everyone else did not. I am no different, and living in the SF Bay Area, I have ... [Read more...]

About The coop package does co-operations: covariance, correlation, and cosine, and it does them quickly. The package is available on CRAN and GitHub, and has two vignettes: Introducing coop: Fast Covariance, Correlation, and Cosine Operations A... [Read more...]

About The coop package does co-operations: covariance, correlation, and cosine, and it does them quickly. The package is available on CRAN and GitHub, and has two vignettes: Introducing coop: Fast Covariance, Correlation, and Cosine Operations Algorithms and Benchmarks for the coop Package Incidentally, the vignettes don't render correctly on CRAN's ... [Read more...]

In my last post, I praised the virtues of pacman. I also wanted to indulge of one of the main benefits of working with one of pacman’s devs: Tyler Rinker. Tyler is a geek’s geek, in the best possible way. And one of the best officemates one coul... [Read more...]

In my last post, I praised the virtues of pacman. I also wanted to indulge of one of the main benefits of working with one of pacman’s devs: Tyler Rinker. Tyler is a geek’s geek, in the best possible way. And one of the best officemates one could ... [Read more...]