Posts Tagged ‘ R ’
Shortly after the Giants fantastic defeat of the Patriots in Super Bowl XLVI (I was a little disappointed that Eli, Coughlin and the Vince Lombardi Trophy all got off the parade route early and the views of City Hall were obstructed by construction trailers, but Steve Weatherford was awesome as always) a friend asked me [ READ MORE ]
With the Super Bowl only hours away now is your last chance to buy your boxes. Assuming the last digits are not assigned randomly you can maximize your chances with a little analysis. While I’ve seen plenty of sites giving the raw numbers, I thought a little visualization was in order. In the graph above (made [ READ MORE ]
While playing Words with Friends my randomly chosen opponent played “radiale” as her first word. Since that used up all of her tiles, she received a bonus on top of all the points the word itself got, resulting in a one-move score of 53 points! Rather than being impressed I was upset at the large [ READ MORE ]
Fig. 1: This graph shows received and sent text messages by month. Notice the spike in July 2010. A few weeks ago my iPhone for some reason erased ALL of my previous text messages (SMS and MMS) and it was as if I was starting with a new phone. After doing some digging I discovered that [ READ MORE ]
Last night, Harlan Harris and I gave a talk at the NY Predictive Analytics meetup. Despite the rain there was a good turn out and people seemed to both enjoy and benefit from the presentation. As requested I have posted the presentation for all to see. Please feel free to contact me with any questions. The [ READ MORE ]
Tonight I will be giving a talk with Harlan Harris at the Predictive Analytics and Machine Learning Meetup in New York. It is going to be an introduction to Multilevel Models with examples in R and from previous projects I have worked. Here’s the details for the talk. Digg this post Recommend on Facebook Share on Linkedin [ READ MORE ]
A great way to visualize the results of a regression is to use a Coefficient Plot like the one to the right. I’ve seen people on Twitter asking how to build this and there has been an option available using Andy Gelman’s coefplot() in the arm package. Not knowing this I built my own (as [ READ MORE ]
Last week Slice ran a post about a tomato taste test they conducted with Scott Wiener (of Scott’s NYC Pizza Tours), Brooks Jones, Jason Feirman, Nick Sherman and Roberto Caporuscio from Keste. While the methods used may not be rigorous enough for definitive results, I took the summary data that was in the post and performed [ READ MORE ]
Less than a month ago, Drew Conway suggested that our R user group present an analysis of the WikiLeaks data. In that short time he, Mike Dewar, John Myles White and Harlan Harris have put together a beautiful visualization of attacks in Afghanistan. The static image you see here has since been animated which is [ READ MORE ]
Today, Google announced two new services that are sure to be loved by data geeks. First is their BigQuery which lets you analyze “Terabytes of data, trillions of records.” This is great for people with large datasets. I wonder if a program like R(my favorite statistical analysis package) can read it? If so would R just pull [ READ MORE ]