Gathering and storing data is the first step on an exciting journey. Data science can serve as a the map that will lead us to where we want to go, but how? To answer that question, I sat down with Melinda Thielbar, a Ph.D. statistician with 15 years of experience in software development and analytics consulting.
How Are Teachers Measured? As we reported yesterday, the Bill & Melinda Gates Foundation finished its three-year, $50 million study on measuring teacher effectiveness. The researchers found that neither test scores nor observations alone will do the trick. Click here for WSJ's take, and here for another look in the Washington Post.