On May 14, 2014, at 8:56 AM, Dan Andreescu <dandree...@wikimedia.org> wrote:

> Any suggestions for the best way to visualize the data once we have it? Are 
> there some existing LIMN graphs that would be well-suited for a funnel 
> analysis like this one? Or should we simply use a standard line graph as we 
> do for other descriptive metrics studies?
> 
> Limn doesn't have many graph types but it might have a decent one for this 
> purpose: http://debugging.wmflabs.org/graphs/ordinal_example
> 
> So you could have Step 1, Step 2, Step 3, ... on your X axis, then the number 
> of people who made it through each step on your Y axis.
> 
> For a better funnel visualization, we should really support Sankey diagrams: 
> http://www.practicalecommerce.com/files/images/0005/0938/2_goalFlow_Large.png 

+1, this might be overkill for a linear funnel with a small number of nodes 
(where a directed graph visualization, a line chart or an actual “funnel” [1] 
could do the job). I agree Sankey diagrams would be nice to have down the line 
for more complex scenarios.

Dario

[1] https://github.com/smilli/d3-funnel-charts
[2] The d3 implementation: http://bost.ocks.org/mike/sankey/

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