Numerical quantities focus on expected values, graphical summaries on unexpected values.

To be able to say that "if we change our point of view in the following way ... things are simpler" is always a gain.

This is my favorite part about analytics: Taking boring flat data and bringing it to life through visualization.

The greatest value of a picture is when it forces us to notice what we never expected to see.

When communicating results to non-technical types there is nothing better than a clear visualization to make your point.

All we know about the world teaches us that the effects of A and B are always different-in some decimal place-for any A and B. Thus asking "are the effects different?" is foolish.

It's better to solve the right problem approximately than to solve the wrong problem exactly.