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Finally, as we briefly mentioned earlier, the estimation precision in Bayesian analysis is not limited
by the sample size—Bayesian simulation methods may provide an arbitrary degree of precision.
Despite the conceptual and methodological advantages of the Bayesian approach, its application in
practice is still considered controversial sometimes. There are two main reasons for this—the presumed
subjectivity in specifying prior information and the computational challenges in implementing Bayesian
methods. Along with the objectivity that comes from the data, the Bayesian approach uses potentially
subjective prior distribution. That is, different individuals may specify different prior distributions.
Proponents of frequentist statistics argue that for this reason, Bayesian methods lack objectivity and
should be avoided. Indeed, there are settings such as clinical trial cases when the researchers want to
minimize a potential bias coming from preexisting beliefs and achieve more objective conclusions.
Even in such cases, however, a balanced and reliable Bayesian approach is possible. The trend in
using noninformative priors in Bayesian models is an attempt to address the issue of subjectivity. On
the other hand, some Bayesian proponents argue that the classical methods of statistical inference
have built-in subjectivity such as a choice for a sampling procedure, whereas the subjectivity is made
explicit in Bayesian analysis.

Stata 16版本更新22条新功能。比以往的版本更强大,更值得您拥有。

In Stata 16, we introduce a new, unified suite of commands for modeling choice data. We have added new commands for summarizing choice data. We renamed and improved existing commands for fitting choice models. We even added a new command for fitting mixed logit models for panel data. And we document them together in the new Choice Models Reference Manual.
And here’s the best part: margins now works after fitting choice models. This means you can now easily interpret the results of your choice models. While the coefficients estimated in choice models are often almost uninterpretable, margins allows you to ask and answer very specific questions based on your results. Say that you are modeling choice of transportation. You can answer questions such as
• What proportion of travelers are expected to choose air travel?
• How does the probability of traveling by car change for each additional $10,000 in income?
• If wait times at the airport increase by 30 minutes, how does this affect the choice of each mode of transportation?
What else is new? You now cmset your data before fitting a choice model. For instance,
. cmset personid transportmethod
Then, you use cmsummarize, cmchoiceset, cmtab, and cmsample to explore, summarize, and look for potential problems in your data.
And you use cm estimation commands to fit one of the following choice models:
• cmclogit conditional logit (McFadden’s choice) model
• cmmixlogit mixed logit model
• cmxtmixlogit panel-data mixed logit model
• cmmprobit multinomial probit model
• cmroprobit rank-ordered probit model
• cmrologit rank-ordered logit model
Unlike the others, cmxtmixlogit is not renamed and improved. It is completely new in Stata 16, and

统计功能介绍
Stata使得大量的统计工具用于指尖
● 基本表格和总结
● 案例对照分析
● ARIMA
● ANOVA 和MANOVA
● 线性回归
● 时间序列平滑
● 多层模型
● 生存分析
● 动态面板数据回归
● 结构方程建模
● 二进制,计数和审查结果
● ARCH
■ 标准方法,如■ 方法,如
● 多重替代法
● 调查数据
● Treatment effects
● 统计
● 贝叶斯分析
● ……
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