The way of effective data complement for a data set with missing values was analyzed so as to reflect more objectively internal relationship among data in data set.

分析了在含有遗失值的数据集上如何进行有效的数据填补，以便更客观地反映数据集中数据所隐含的内在联系。

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At last, I supply a case of sinopec, the case reflect the relationship of corporate governance, basic management and internal audit.

最后又以中石油公司为案例具体分析了公司治理、管理与内部审计的关系。

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