Collaborative filtering (CF)[1] based on the alternating least squares (ALS) technique[2] is another algorithm used to generate recommendations. It produces automatic predictions (filtering) about the interests of a user by collecting preferences from many other users (collaborating).?

The answers I most often get are “Nobody” or “I don’t know.” When I do get a name, it often differs depending on who I asked—a marketing executive points to one person, while finance identifies someone else. That isn’t good. How can analytics become a strategic, core component of an organization if there is no clear owner and leader for analytics at the corporate level?

Source: blogs.hbr.org
Author: Bill Franks