Aug 15, 2013

What can be done for Rhode Island Pensioners?

Proposing a small improvement to Rhode Island’s pension reform.

Jul 23, 2013

Smarter Balance Released Items Scare Me

CCSSI Mathematics posted a scathing look at the items released by the Smarter Balanced Assessment Consortium (SBAC). While the rest of the internet seems to be obsessed over Georgia leaving the Partnership for Assessment of College and Careers1, the real concern should be over the quality of these test ...

Jun 20, 2013

Economic Policy Institute is Wrong

The Economic Policy Institute has release a short issue brief on the Rhode Island Retirement Security Act (RIRSA) by Robert Hiltonsmith that manages to get all of the details right but the big picture entirely wrong.

The EPI Issue Brief details the differences between the retirement system for state workers ...

Jun 12, 2013

Calculating Age in R

A few months back I wrote some code to calculate age from a date of birth and arbitrary end date. It is not a real tricky task, but it is certainly one that comes up often when doing research on individual-level data.

I was a bit surprised to only find ...

Jun 02, 2013

Linear Thinking

Apple will be revealing new details for both of its major operating systems at WWDC on June 10, 2013. The focus of much speculation has been how Apple will improve multi-tasking and inter-app communication in iOS7. As batteries have grown, CPUs have become increasingly powerful, and the application ecosystem has ...