Lesson 01
Prior → likelihood → posterior; Beta–Binomial conjugate; Bayes Factor; so sánh với frequentist CI.
Lesson 02
Correlation ≠ causation; confounder, Simpson's paradox; RCT vs observational; DAG cơ bản.
Lesson 03
Trend, seasonality, stationarity; ACF/PACF; AR, MA, ARIMA — giới thiệu.