One of my least favorite electrical engineering courses in college was on signals and communications. I remember there being a lot of Fourier Transforms. I also remember falling asleep a lot, because it was a two-hour lecture with the lights turned off. Maybe if the demos were more visual like this, I would’ve stayed awake. (Probably not.)
Visual introduction to the Fourier Transform
Real Chart Rules to Follow
There are rules—usually for specific chart types meant to be read in a specific way—that you shouldn’t break. When they are, everyone loses. This is that small handful.
How to Spot Visualization Lies
Many charts don’t tell the truth. This is a simple guide to spotting them.
People get married at various ages, but there are definite trends that vary across demographic groups. What do these trends look like?