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Stata v14 发布 |
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2015-04-10
广州博脉 |
Stata 公司发布了最新的全功能统计软件 Stata v14。下面是全新的特性：
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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
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IRT (item response theory)
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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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Unicode
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Data
Variable and value labels
Variable names!
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Integration with Excel
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Cell formatting
Font formatting
Insert Stata graphs
Create cell formulas
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Treatment effects
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Survival outcomes
Endogenous treatments
Balance diagnostics and tests
Sampling weights
More
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Multilevel survival models
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Random effects
Crossed effects
Two, three, higher level
Right censoring
Exponential, Weibull, ...
Survey data
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Multilevel models
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Survey data
Multilevel sampling weights
Survival models
Denominator degrees of freedom
Marginal predictions, means, effects
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SEM (structural equation modeling)
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SEM path diagram
Satorra–Bentler adjustments
Survival models
Survey data
Multilevel weights
Marginal predictions, means, effects
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Power and sample size
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Contingency tables
Cochran–Mantel–Haenszel test
Test for trend
Matched case–control studies
Survival analysis
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Markov-switching models
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Autoregressive model
Dynamic regression model
State-dependent parameters
Transition probabilities
State membership probabilities
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Survey statistics
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Multilevel models
Survival models
SEM (structural equation modeling)
Multistage/multilevel weights
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Panel-data survival models
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Random effects (intercepts)
Random coefficients
Right-censoring
Exponential, Weibull, ...
Survival graphs
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Fractional outcome regression
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Fractions, proportions, ...
Beta regression
Probit and logit
Heteroskedasticity
Odds ratios
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Marginal means and marginal effects
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Multiple outcomes
Multiple equations
Integrate over random effects
Integrate over latent variables
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More documentation
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Two all new manuals
12,000+ total pages
Quick starts
Thousands of worked examples
Overview of statistical methods
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More statistics
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Hurdle models
Censored Poisson models
Beta regression
Structural break tests
z tests comparing means
More distribution functions
Mersenne Twister
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And more
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More than 2 billion observations
Postestimation made easy
ICD-10
Interface in Spanish and Japanese
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