C++ Optimization Handbook (pdf) http://www.agner.org/optimize/optimizing_cpp.pdf via the venerable Andrew Gelman

Tacocopter

Via MR, the Tacocopter:

Jim Yong Kim Raps

Jim Yong Kim, the new head of the World Bank, spaceman raps (via @ezraklein):

http://www.ivygateblog.com/2011/03/dartmouths-prez-kim-debuts-as-a-rapping-spaceman/

R + EC2 + Gibbs? Love this

http://empty-moon-9726.heroku.com/blog/2012/02/11/r-jags-rjags-on-an-ec2-instance/

+ ubuntu. This guy is speaking my language.

Around the interwebs

Open source stats and OR replacements.

via AS, playing Angry Birds via mind control. Unbelievable.

A query, to which the responses include
                 -Is this question a good question in a parallel universe?
                 -Yes and no.
                 -Mostly not

An answer to the single most important question in spending politics.

Check out the Peacock spider.

Web apps via Rpy and Python

•Download and install the following

–Python 2.6

–R-2.12.1

•You will need a few libraries from R, such as RJava, in order for Rpy to sync. All ancillary required packages are listed on the Rpy webpage

–RPy2

–Django

•Settings

–Create environment variables for Python and R

–Test Rpy setting in Python shell

•Useful open source demos

–Dive Into Python

–Django documentation four part tutorial

–R tutorial

–Rpy tutorial

–

•Notes:

–Although version  Python 3.0 is available,  versions are not backward compatible. For safest results with user libraries (such as Django, Rpy2, etc), use version 2.6.

–R-2.12.1 is a little tricky (but not impossible) for getting recognized by Rpy due to a new folder in the /bin directory. 

Around the interwebs

three toed sloth strikes again: logistic regression

via Observational Epidemiology , best blog of the day with link to great history of mathematics

scott adams does his best to keep us all a little happier