Firstly, the correlation analysis of NDVI and PRI was carried out by using the method of dual distance variable correlation analysis;

首先利用二元定距变量相关分析的方法对NDVI和PRI进行相关性分析；

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Variable correlation is expressed with consequence graph in Bayesian Networks (BN), analysis of failure mode and effect of complex system is realized.

贝叶斯网络用因果关系图的形式表达变量间相互关系，实现复杂系统的故障模式和效应分析。

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This paper presents elements of two variable correlation method and cites some applied examples. Some important problems for application of two variable correlation method are specially proposed.

阐述了二元相关法的基本原理；列举了几个应用实例；特地提出了应用二元相关法必须注意的一些问题。

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Negative correlation occurs when one variable moves above its moving average while the second moves below its moving average.

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Positive correlation occurs when one variable moves above its moving average while the second also moves above its moving average.

FORBES: Basics of Asset Allocation (Part 2 of 2)

Studies such as this one, which rely on correlating one variable with another, are not enough to draw firm conclusions on their own, since correlation is not necessarily causation.

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