DataTau seems somewhat abandoned. I would suggest the subreddits <a href="https:&#x2F;&#x2F;www.reddit.com&#x2F;r&#x2F;machinelearning" rel="nofollow">https:&#x2F;&#x2F;www.reddit.com&#x2F;r&#x2F;machinelearning</a> or <a href="https:&#x2F;&#x2F;www.reddit.com&#x2F;r&#x2F;thisisthewayitwillbe" rel="nofollow">https:&#x2F;&#x2F;www.reddit.com&#x2F;r&#x2F;thisisthewayitwillbe</a>