Index correlation and existing of redundant index are the important problem during index system building.

指标相关性和冗余指标的存在一直都是体系构建工作中的重要问题。

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The index system of communication network has been optimized by the method, the index correlation and index redundancy have been reduced.

采用该方法对通信网可靠性指标体系进行了相应优化，降低了指标体系的相关性与冗余度。

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The index correlation between the parameters of the focal mechanism and the basic ones of earthquakes can effectively reduce the data redundancy and build up foundation of data processing efficiently.

震源机制解参数与地震基本参数之间的索引联接有效地减少了数据冗余，同时也为高效的数据处理打下良好的基础。

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Once you know the average return, the standard deviation of each index and the correlation coefficient between each pair of indexes, the rest is math.

FORBES: Asset Allocation and the Efficient Frontier

The Russell 2000 value index had the highest correlation and, in fact, outperformed the median fund in both the private equity and VC categories.

FORBES: Magazine Article

Going frontier means adding lesser correlated assets to your portfolio, as the MSCI Frontier Markets Index shows 0.64 correlation to the developed markets and only 0.59 to the larger emerging markets in the EEM, according to Jackass Investing.

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