...[ b) P P PX Z x ) cov( ) cov( 四、条件分布(Conditional Distribution)、条件数学期望(Conditional Expectation) 及其条件方差(Conditional Variance) 条件均值(Conditional Mean)是条件分布的均值,其定义为 y y...
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本文给出了条件数学期望的几何定义,证明了该定义与其它定义的一致性。
In this paper, We give a geometrical definition of conditional expectation. Identity of the definition and other definitions is discussed.
条件数学期望是概率论中一个重要概念,本文通过求数学期望的例子和最优预测探讨了它的应用。
This paper explores the application of conditional expectation in solutions to mathematical expectation and best prediction.
在得出港口货物吞吐量概率分布的基础上,利用条件数学期望提出了港口货物吞吐量的双层预测模型。
A double forecasting model is proposed by using conditional mathematical expectation, based on probability distribution of port cargo throughput.
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