I would like to create a dashboard showing Level Funnel for the users with respect to their registration date on the same chart.
My data is like the following:
And from that data, I would like to create the graph like below:
But in tableau I couldn't manage to combine those graphs below, which are separated day by day:
I tried to follow these steps, http://downloads.tableausoftware.com/quickstart/feature-guides/combo_charts.pdf, however, I couldn't find 'Customize Marks' button in the menu.
That would be great if you can help me with how to combine these graphs into one graph.