Stata - Stata Studentenversion

(diese Beschreibung ist zur Zeit nur in englischer Sprache verfügbar)

Stata 14

With both a point-and-click interface and a powerful, intuitive command syntax, Stata is fast, accurate, and easy to use.

All analyses can be reproduced and documented for publication and review. Version control ensures statistical programs will continue to produce the same results no matter when you wrote them. See certification results and FDA document compliance for accuracy details.

Product video

Data sheet

Features:

Bayesian analysis

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

IRT (item response theory)

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

Unicode

• Data
• Variable and value labels
• Variable names!

Integration with Excel

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

Treatment effects

• Survival outcomes
• Endogenous treatments
• Balance diagnostics and tests
• Sampling weights

Multilevel survival models

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

Multilevel models

• Survey data
• Multilevel sampling weights
• Survival models
• Denominator degrees of freedom
• Marginal predictions, means, effects

SEM (structural equation modeling)

• Satorra–Bentler adjustments
• Survival models
• Survey data
• Multilevel weights
• Marginal predictions, means, effects

Power and sample size

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

Markov-switching models

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

Survey statistics

• Multilevel models
• Survival models
• SEM (structural equation modeling)
• Multistage/multilevel weights

Panel-data survival models

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

Fractional outcome regression

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

Marginal means and marginal effects

• Multiple outcomes
• Multiple equations
• Integrate over random effects
• Integrate over latent variables

More documentation

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

More statistics

• Hurdle models
• Censored Poisson models
• Beta regression
• Structural break tests
• z tests comparing means
• More distribution functions
• Mersenne Twister

And more

• More than 2 billion observations
• Postestimation made easy
• ICD-10
• Interface in Spanish and Japanese

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