01R-style formula support for intuitive model specification and categorical variable handling
02Comprehensive regression modeling including OLS, GLS, and Quantile Regression
03Professional-grade time series analysis with ARIMA, SARIMAX, and VAR models
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05Extensive diagnostic suite for testing heteroskedasticity, normality, and autocorrelation
06Advanced Generalized Linear Models (GLM) for Poisson, Binomial, and Gamma distributions