Excel is my database, Python is my brain.

We're all familiar with Excel's fill handle: type "Monday," drag the corner, and the rest of the week appears. But there's a hidden gem many people overlook: Custom Lists. Show Excel a pattern once, ...

Student test scores aren’t looking good, and schools aren’t being held accountable for poor results. That’s not even considering whether the right things are being tested. I learned this the hard way.

And when it doesn’t by Andrei Hagiu and Julian Wright Many executives and investors assume that it’s possible to use customer-data capabilities to gain an unbeatable competitive edge. The more ...

Measure who they know, not just who they are. by Paul Leonardi and Noshir Contractor “We have charts and graphs to back us up. So f*** off.” New hires in Google’s people analytics department began ...