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贝叶斯理论框架下的2种纵向缺失数据处理方法的比较——以潜在变量增长曲线模型为例 被引量:3
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作者 杨林山 曹亦薇 《江西师范大学学报(自然科学版)》 CAS 北大核心 2012年第5期461-465,共5页
在贝叶斯估计框架下,通过模拟研究比较完全贝叶斯和部分贝叶斯方法对参数估计的影响.研究结果表明:随着缺失比例的增加,2种方法得到的均方误差(RMSE)都会增大;完全贝叶斯方法和部分贝叶斯方法在缺失比例较小时几乎相同,只在缺失比例为0.... 在贝叶斯估计框架下,通过模拟研究比较完全贝叶斯和部分贝叶斯方法对参数估计的影响.研究结果表明:随着缺失比例的增加,2种方法得到的均方误差(RMSE)都会增大;完全贝叶斯方法和部分贝叶斯方法在缺失比例较小时几乎相同,只在缺失比例为0.5时,前者明显优于后者. 展开更多
关键词 缺失数据 完全贝叶斯 部分贝叶斯 纵向模型 WINBUGS
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Contemporary Analytic Philosophy and Bayesian Subjectivism: Why Both Are Incoherent 被引量:1
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作者 Tom Vinci 《Journal of Philosophy Study》 2016年第10期578-585,共8页
My purpose in this paper is to argue for two separate, but related theses. The first is that contemporary analytic philosophy is incoherent. This is so, I argue, because its methods contain as an essential constituent... My purpose in this paper is to argue for two separate, but related theses. The first is that contemporary analytic philosophy is incoherent. This is so, I argue, because its methods contain as an essential constituent a non-classical conception of intuition that cannot be rendered consistent with a key tenet of analytic philosophy unless we allow a Bayesian-subjectivist epistemology. I argue for this within a discussion of two theories of intuition: a classical account as proposed by Descartes and a modem reliabilist account as proposed by Komblith, maintaining that reliabilist accounts require a commitment to Bayesian subjectivism about probability. However, and this is the second thesis, Bayesian subjecfivism is itself logically incoherent given three simple assumptions: (1) some empirical propositions are known, (2) any proposition that is known is assigned a degree of subjective credence of 1, and (3) every empirical proposition is evidentially relevant to at least one other proposition. I establish this using a formal reductio proof. I argue for the t-u-st thesis in section 1 and for the second in section 2. The final section contains a summary and conclusion. 展开更多
关键词 INTUITIONS BAYESIANISM probability SUBJECTIVISM RATIONALITY analytic philosophy evidence RELIABILISM
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