Sometimes I have to write stuff so I won’t forget how to do it. This is one of those times. In my recent post on the angular size of a soccer goal, I created a contour plot. Despite what you ...

Everyone loves graphs. When I need to make a plot with some data or a calculation, I almost always use python with matplotlib. It works quite well and produces non-ugly graphs. Most of the stuff ...

[Randall Munroe] certainly understands the power of graphical representation of data. The humorous plots in his xkcd webcomic are one of the favorite parts for many readers. Their distinctive, ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Databot is an experimental alternative to querychat that works with R or Python. And it’s now available as an add-on for the ...