Ever seen your audience's eyes glaze over? That happens when you've gone over their head. #dataviz

When you favor design over clarity, you get a chart that's hard to read. This one gets a D. #dataviz

what to try when you have looooots of categories to graph. visual examples on my blog. #dataviz

when your ideal is lower than the target, here are three changes to make to your #dataviz

Rounded bars! Cute. But bad. That, and more, are why this chart gets a solid D.

Y'all, this graph from the CDC gets a D-. So many things to fix about this. What else would you add?

3 new ways to visualize qualitative data. Head to my blog for more.

What a great-looking chart from Kaiser Family Foundation! I give it an A- . #dataviz

Shew! Not all pie charts are bad but this one gets an F. Hear the red flags. #dataviz

This dumbbell dot gets a B. Needs two important tweaks. Can you spot them?

This pie chart from Mother Jones gets an A-. It's so close! What does it need to get to an A+?

The whole report from IDC is lovely BUT the dataviz needs help. C+, Mohammed!

Another #dataviz from USA Facts. This gets an A, even if you might not think so at first glance.

No dual axis charts! This gets a D. #dataviz #datavisualization

This Forbes #dataviz gets a B-. good chart choice, but needs some formatting tweaks.