The Journal
Notes and things I build.
How I Survived My First Stats Homework in Over a Decade! Conditional probability, Bayes' theorem, and independence — ACCRE access odds, defective screws, and biased coin flips. Read this one → I Made a Drunk Guy Walk Home 5,000 Times So You Don't Have To A blog post for a stats-shy freshman: how I simulated a drunkard's random walk in R to find out how long it takes to stumble home. Read this one → The Case of the Missing Lecture Slide Poisson vs. Binomial, a sum of Exponentials turning into a Gamma, and a finite mixture model — three distributions checked by hand and confirmed by simulation. Read this one → What a Log Does to a Mean Logging, squaring, and square-rooting a Gamma(5, scale 2): where the mean and median land, and how much a sample 85th percentile wobbles. Read this one → Two Ways to Set the Dials Fitting Normal, Gamma, and Exponential models to 1,000 women's heights with method of moments and maximum likelihood, then checking the fits and the median. Read this one → Does BMI Really Move Creatinine? Linear regression on 300 NHANES adults: serum creatinine against bmi, confounders, income, and a curved age term, with F-tests to compare models. Read this one →
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