#### Playing with Maps 1

Well, this weekend I got PostGIS working and created some maps of NYC building ages. The OpenGeo suite was very helpful as I used pgShapeLoader …

Data, Visualization, and Photography

28 Jan

Well, this weekend I got PostGIS working and created some maps of NYC building ages. The OpenGeo suite was very helpful as I used pgShapeLoader …

11 Sep

Just downloaded a new app this afternoon and I’m really excited. Got the Yale alumni newsletter today and it mentioned that there’s a new app …

07 Sep

In the first two posts we covered the conceptual overview and two implementations in R and Python. In this post, let’s talk some more about …

07 Sep

In the last logistic regression post we talked about the meaning of logistic regression, namely that it takes a linear combination of parameters and predictors/independent …

07 Sep

OK, another basic technique in machine learning. As with the other posts, we’ll start off simple and then move to more mathematical and implementation-specific details. …

04 Sep

Now that I have Mahout installed and running on Lion (OS X 10.7.5), it’s time to try it out on Mountain Lion. In general I …

03 Sep

Nearest neighbor algorithms are like asking your closest friends for advice- birds of a feather flock together. Use observations in the training set closest in …

31 Aug

Just installed the MathJax-Latex plugin for WordPress. Had to make a configuration change to header.php to load in the Javascript but now equations should be …

30 Aug

OK, it’s time to put some content on this blog. Each post will have some visual that relates to the title – if I have …

04 Jul

AKA, another attempt in embedding D3 in WordPress. Another example from Mike Bostock, but this time it’s interactive. Well nothing appears here.