Olly Moss

Olly is the creative director of Halftone.co, a visualization studio and consultancy in San Francisco. This is the rest of his bio, it can be more than two lines long if he wants.

4 Tips on Using Dual Y-Axis Charts
4 Tips on Using Dual Y-Axis Charts

The dual Y-axis charts raise many eyebrows in the data visualization circles. They are often considered to confuse and ... keep reading