<a href="https:&#x2F;&#x2F;www.edx.org&#x2F;course&#x2F;scalable-machine-learning-uc-berkeleyx-cs190-1x#" rel="nofollow">https:&#x2F;&#x2F;www.edx.org&#x2F;course&#x2F;scalable-machine-learning-uc-berk...</a>!<p>It&#x27;s one of the assignments. (The collaborative filtering one)