Tutorials on various charting techniques

Jump Plots :

http://datablick.com/2015/08/20/time-to-get-hopping-with-jump-plot-by-chris-demartini-and-tom-vanbuskirk/

Decision Trees : 

http://www.datablick.com/blog/2015/06/28/navigating-your-family-history-in-tableau-by-chris-demartini

Reference links - 

Awesome collection of various tutorials on Tableau Features.