This tells pandas to build a pivot table, using the "region" column as the index, and the small, large, and "extra large" ...

This story contains interviews with Facebook engineering manager Burc Arpat, AppNexus ad-quality engineering director Dave Himrod, and Pandas creator Wes McKinney and Pandas developer Jeff Reback. But ...

Join our daily and weekly newsletters for the latest updates and exclusive content on industry-leading AI coverage. Learn More No one likes having to redo their work. It’s not only time-consuming, but ...