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Stata v14 发布
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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IRT (item response theory)
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Binary response models—1PL, 2PL, 3PL
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Hybrid models
Item characteristic curves
Test characteristic curves
Item information function
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Unicode
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Data
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Integration with Excel
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Treatment effects
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Survival outcomes
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Multilevel survival models
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Random effects
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Survey data
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Multilevel models
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SEM (structural equation modeling)
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Power and sample size
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Contingency tables
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Markov-switching models
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Autoregressive model
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Multilevel models
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Panel-data survival models
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Fractions, proportions, ...
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Marginal means and marginal effects
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Multiple outcomes
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More documentation
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Two all new manuals
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Thousands of worked examples
Overview of statistical methods
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More statistics
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And more
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More than 2 billion observations
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