If you are comfortable learning from examples, http://bl.ocks.org http://bl.ocks.org is excellent. It includes a wide variety of charts, many created to demonst

If you are comfortable learning from examples, http://bl.ocks.org http://bl.ocks.org is excellent. It includes a wide variety of charts, many created to demonstrate a particular concept in D3 or a specific technique. For example, this [1] might be helpful for you, since it explains the enter/append/exit workflow along with demonstrating how to update a visualization when the data changes. 1. http://bl.ocks.org/alansmithy/e984477a741bc56db5a5 http://bl.ocks.org/alansmithy/e984477a741bc56db5a5