The fine bloggers (and R experts) at the Dataists have volunteered to answer questions about data analysis on Reddit: A few months ago, a group of likeminded folks in New York and the San Francisco Bay area decided it was time to start a blog about data, and we can up with the Dataists. Since then we thought about...
Monthly Archives: November 2010
Example 8.13: Bike ride plot, part 2
Before explaining how to make and interpret the plot above, Nick and I want to make a plea for questions--it's hard to come up with useful questions to explore each week!As shown in Example 8.12, data from the Cyclemeter app can be used to make interes...
The NYC Marathon
New York’s annual marathon took place yesterday. Watching a bit of it on television with my friends, I was struck by the much earlier starting time for women than men. Specifically, professional women started running yesterday at 9:10 AM, while professional men start running at 9:40 AM. (This information comes from the runner’s handbook.) I
R Beginner’s Guide Book Update: Statistical Analysis with R Released
In the final days of October, my beginner's guide to R was released. The book's official title is Statistical Analysis with R and it can be found on the Packt Publishing website. The primary focus of Statistical Analysis with R is helping new users bec...
R Beginner’s Guide Book Update: Statistical Analysis with R Released
In the final days of October, my beginner's guide to R was released. The book's official title is Statistical Analysis with R and it can be found on the Packt Publishing website. The primary focus of Statistical Analysis with R is helping new users bec...
A R wrapper for Google Prediction API
Since I got the chance to access to both Google Storage for Developers and Google Prediction API (more details here and here), I decided to create a simple wrapper (just 4 basic functions until now) to be capable to play with the Google Prediction API ...
A R wrapper for Google Prediction API
Since I got the chance to access to both Google Storage for Developers and Google Prediction API (more details here and here), I decided to create a simple wrapper (just 4 basic functions until now) to be capable to play with the Google Prediction API ...
Le Monde puzzle [43]
![Le Monde puzzle [43]](http://feeds.wordpress.com/1.0/comments/xianblog.wordpress.com/7680/)
Here is the puzzle in Le Monde I missed last week: Given a country with 6 airports and a local company with three destinations from each of the six airports, is it possible to find a circular trip with three intermediate stops from one of the airports? From all of the airports? One more airport 
Wetbulb Temperature
This google map display is just one of 230 GHCN stations that is located in the water. After finding instances of this phenomena over and over, it seemed an easy thing to find and analyze all such cases in GHCN. The issue matters for a two reasons: In my temperature analysis program I use a 
Updating meteorological forecasts, part 1
As Mark Twain said "the art of prophecy is very difficult, especially about the future" (well, actually I am not sure Mark Twain was the first one to say so, but if you're interested by that sentence, you can look here). I have been rather su...
Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).
