If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...

It's quite clear that things aren't going so well with this Covid-19 pandemic. I mean, it's bad, and it seems to be getting worse. The number of infected humans is just getting stupid-large. As of ...

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 ...