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Read about all the new features in Stata 14 below. And, these are just the new features. You can learn about all of Stata and about all of Stata's features.

Bayesian analysis

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  • Thousands of built-in models
  • Add your own models
  • Adaptive Metropolis–Hastings
  • Gibbs sampling
  • Convergence diagnostics
  • Posterior summaries
  • Hypothesis testing
  • Model comparison
  • More

IRT (item response theory)

  • Binary response models—1PL, 2PL, 3PL
  • Ordinal response models—graded response, partial credit, rating scale graph
  • Nominal response model
  • Hybrid models
  • Item characteristic curves
  • Test characteristic curves
  • Item information function
  • More

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  • Data
  • Variable and value labels
  • Variable names!
  • More

Integration with Excel

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  • Cell formatting
  • Font formatting
  • Insert Stata graphs
  • Create cell formulas

Multilevel survival models

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  • Random effects
  • Crossed effects
  • Two, three, higher level
  • Right censoring
  • Exponential, Weibull, ...
  • Survey data

Power and sample size

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  • Contingency tables
  • Cochran–Mantel–Haenszel test
  • Test for trend
  • Matched case–control studies
  • Survival analysis

Markov-switching models

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  • Autoregressive model
  • Dynamic regression model
  • State-dependent parameters
  • Transition probabilities
  • State membership probabilities

Panel-data survival models

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  • Random effects (intercepts)
  • Random coefficients
  • Right-censoring
  • Exponential, Weibull, ...
  • Survival graphs
  • More

Fractional outcome regression

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  • Fractions, proportions, ...
  • Beta regression
  • Probit and logit
  • Heteroskedasticity
  • Odds ratios

More documentation

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  • Two all new manuals
  • 12,000+ total pages
  • Quick starts
  • Thousands of worked examples
  • Overview of statistical methods
  • More

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