I appreciate you sharing your information as it came across as an honest attempt to be helpful, however I think you might find it helpful to read this post by Avinash Kaushik [1] and then reread my post. I do digital advertising for a living, and that post is what I recommend to all who are new to the concept of cross-channel attribution as it is a very complex topic from both a data, math, and business standpoint. Easily one of the biggest opportunities and problems in the ad industry at the moment (and has been for some time).<p>[1] <a href="http:&#x2F;&#x2F;www.kaushik.net&#x2F;avinash&#x2F;multi-channel-attribution-modeling-good-bad-ugly-models&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.kaushik.net&#x2F;avinash&#x2F;multi-channel-attribution-mod...</a>