Tag: statistics

All the articles with the tag "statistics".

• Noisy Covariates Bias Your Coefficients Toward Zero

  26 Jun, 2026

  When a predictor in your regression is measured with error, its coefficient shrinks toward zero in a predictable, quantifiable way — here's the math and the Bayesian fix.

• The Table 2 Fallacy: Your Control Variables Aren't What You Think

  25 Jun, 2026

  Controlling for a variable to identify your treatment effect doesn't mean that variable's coefficient is causally interpretable — and confusing the two is surprisingly common.

• Bayesian Brand Tracking, Honestly

  17 Jun, 2026

  Why weekly brand-tracker survey data needs a Binomial likelihood instead of raw percentages, what a small PyMC model actually buys you, and where partial pooling and state-space smoothing come next.