- Bayesian analysis
- IRT (item response theory)
- Unicode
- Integration with Excel®
- More in treatment effects
- Multilevel survival models
- More in multilevel models
- Denominator degrees of freedom
- More in SEM
- More in power and sample size
- Markov-switching models
- Panel-data survival models
- Fractional outcome regression
- Marginal means and marginal effects
- Hurdle models
- Censored Poisson models
- Beta regression
- Structural break tests
- z tests comparing means
- More distribution functions
- Mersenne Twister
- And more
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