Here a list of useful resources on data visualization mainly for economists.
Please note this list is preliminary. I plan to update this list when I will find something useful. Please, let me know if you have additional material and links I should publish here.
1) Data visualization for economists. An interview with Jonathan Schwabish. And here his guide. 
Reference: Schwabish, Jonathan A. 2014. “An Economist’s Guide to Visualizing Data.” Journal of Economic Perspectives, 28 (1): 209-34.
2) And here a collection of data visualizations selected by the American Economic Association.
3) Almost everything you wanted to know about making tables and figures.
4) Dos and don’ts on data visualization
Marco Piovesan 