Definition

According to wikipedia:

A waterfall chart is a form of data visualization that helps in understanding the cumulative effect of sequentially introduced positive or negative values.

Videos

Plenty of examples, starting with one from Tech Analytics:

SAF Business Analytics also shared a vdeo:

And Andy Kriebel completes the trio of sample videos:

Blog posts

Ryan Sleeper wrote a highly detailed blog post about this chart type:

http://www.evolytics.com/blog/tableau-201-make-waterfall-chart/

The Information Lab shared this post on formatting Waterfall charts:

http://www.theinformationlab.co.uk/2013/07/29/waterfall-chart-labels-in-tableau/

Nelson Davis wrote this post:

http://thevizioneer.blogspot.co.uk/2014/04/day-18-waterfall-chart.html

Tableau’s On Demand tutorials feature a Waterfall chart guide:

http://www.tableau.com/learn/tutorials/on-demand/waterfall-charts-chart-type

Example workbooks

An example of a standard Waterfall chart by Slywia Kolodziejska:

https://public.tableau.com/profile/sylwia.ko.odziejska#!/vizhome/WaterfallChart_4/DashboardWaterfallChart

I have (vainly) added one of my own, as it was my first waterfall chart on Tableau as part of week 30 of #MakeoverMonday. It’s a reasonable use of the chart type, as it allows you to identify decades in which the Bermudan population grew relative to other decades:

https://public.tableau.com/profile/publish/MM30Bermuda/Dashboard1#!/publish-confirm

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