Tag: bayesian
All the articles with the tag "bayesian".
-
Noisy Covariates Bias Your Coefficients Toward Zero
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.
-
Building a Pre-Specified Bayesian MMM
Most marketing mix models are tuned until the numbers flatter the brief. Here's the case for pre-specifying the model instead, and how mmm-framework builds the discipline into its API.
-
Bayesian Models as Configuration
Treating a Bayesian marketing-mix model as declarative configuration — variables, transforms, normalization, and priors in JSON — so a malformed input file fails validation before you fit instead of after you've shipped the wrong number.
-
Bayesian Brand Tracking, Honestly
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.