Tag: math

The golden mean of Beeminder: If you never derail, dial up your bright red lines — if you’re derailing all the time, dial them down. Thanks to felixm and others in the forum for inspiring this post. The previous blog post in our series on how derailing is good-actually (see the sidebar for a review)...

As you likely know if you’ve ever beeminded your weight, you can add a moving average line on top of your data on your Beeminder graph. You can also add a so-called aura around your datapoints. The idea is to see trends in your data without being distracted by daily fluctuations, particularly when data...

For background on the Yellow Brick Half-Plane that a normal human could conceivably care about, see our previous post on how we’re killing the custom lane widths feature. This post is strictly for abnormal humans, and/or, more realistically, for ourselves, because math is fun, and for our future selves,...

It’s one thing to see a gushing testimonial from someone in the honeymoon phase of using Beeminder. Professor Brent Yorgey wrote such a post in 2013 (“Beeminder has changed my life”) in which he detailed the myriad ways he was using Beeminder after discovering it 6 months prior. A whole other level...

You know how a lot of services offer things like one month free if you pay yearly? We were nerding out over the math of that and thought, why not generalize to compute the perfectly fair discount for paying at any frequency you like, including every infinity years, i.e., paying once for a lifetime subscription?...