In response to the prior Smith chart essay, several comments were offered via LinkedIn groups. One comment in particular, from Dan Bullard, caught my attention: “One of my interview questions is, what ...

All kinds of parameters can be described using complex numbers of the form real + j * imaginary. The numerical values of real and imaginary can vary over very wide ranges. Trying to graph them ...

Learn how to make everything from basic line graphs to racing bar charts — all interactive and easily animated — with the echarts4r R package. While I’m mostly settled on ggplot2 for static plots, I’m ...