One question that keeps on cropping up now that I tend to use a lot of Bayesian estimation is how to shade the area under a density curve. This is useful for

• visualizing a credible interval (the Bayesian version of a confidence interval)

All consumer apps must perform user accounting. Without it no VC will invest, and you should be suspicious of…

One of the first things we learn in Stats 101 is how to estimate proportions using p-values and confidence intervals. A toy example is usually offered, with the TA taking a conspiratorial — perhaps even slightly apologetic — tone: imagine we’re tossing a…

Recently, one of my client companies, Hornet, posed me an interesting question that gave me pause. They were testing a couple of revenue strategies and were wondering which one they should pick. I can’t go into specifics, but this is actually a pretty common…