statistics

Views and opinions expressed are solely my own. As I have been learning Bayesian statistics, one result that I have been somewhat aware of but have found it very difficult to find a proof of is the following statement: Jeffreys’ prior is invariant.

Views and opinions expressed are solely my own. I once had a conversation with someone who wanted help designing an A/B test for a website. The design was more or less what one would have for a conventional two-sample proportions \(Z\)-test: users would be assigned randomly, by IP address, to one of two versions of a website.

Views and opinions expressed are solely my own. The analogue to the popular game Minesweeper in Zelda’s Skyward Sword HD is known as Thrill Digger. I wrote R code to help assist me in playing Thrill Digger.

Views and opinions expressed are solely my own. Users of linear regression often assume when performing linear regression, error terms have to be normally distributed and have constant variance for each fixed \(x\)-value.

Views and opinions expressed are solely my own. Background With COVID-19 vaccines now being widely available in the U.S., I’ve seen various interpretations of vaccine efficacy rates. As one example, the paper disseminating the study on the efficacy of BioNTech and Pfizer’s vaccine BNT162b2 states in its results section:

Views and opinions expressed are solely my own. Background I hold a bachelor’s degree in mathematics (with a statistics emphasis) and a master’s degree in statistics. Statistical education, on its own, is insufficient to address modern data needs.

Views and opinions expressed are solely my own. Introduction In the early days of the COVID-19 pandemic in the U.S., news around an article in medRxiv caught the attention of many of my peers, generating headlines such as: