A Useful DMA Shapefile For #Tableau and #Alteryx
In this article, the technique of polygon generalization is used to reduce the complexity of DMA boundaries. This boundary change makes preparing and displaying DMA-based data much faster in Tableau.
How to Convert Shapefiles to #Tableau Polygons
This article gives some technical approaches to converting shapefiles to polygons that can be drawn in Tableau. Two methods are reviewed.
Working Notes For Drawing Polygons Using #Alteryx and #Tableau
Introduction This post is NOT really intended to be a super-clean and comprehensive, step-by-step instruction set for how to draw Alteryx-generated polygons in Tableau. However, if you are willing to do a little work, you will be able to reproduce the results in this article.