Link is broken. Here's the actual link: http://eugenezhulenev.com/blog/2015/06/15/feature-engineering-at-scale/ http://eugenezhulenev.com/blog/2015/06/15/featur

Link is broken. Here's the actual link: http://eugenezhulenev.com/blog/2015/06/15/feature-engineering-at-scale/ http://eugenezhulenev.com/blog/2015/06/15/feature-engineerin...