I am trying to create a choropleth map with a histogram legend. I found an interesting article by Prof. Naresh Kumar where a script was developed for ArcInfo workstation 8.2 that would allow the user to create a legend for a class or an on class choropleth map:
http://www.esri.com/news/arcuser/1003/files/choropleth.pdf
Does anyone know if there is a script that would allow me to automate the process of creating a histogram legend in ArcGIS 10.2.2?
Not so much automation, but you have far superior graphing capabilities if you exploit arcpy, numpy and matplotlib within arcmap. An example