Rich, Teknion Data Solutions is a Certified Training partner of Tableau. We deliver Tableau Fundamentals and Advanced training, and we offer personalized training and mentoring on Tableau as well.
If you would like more information, please contact me at:
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What PJ said. But you realize 8 isn't going to be "vastly" different than 7, right?
Shawn is correct. It would be good for you to receive training on 7 to lay the foundation for Tableau.