An improved PCA is presented which USES principal-component-related variable residual (PVR) statistic and Common variable residual (CVR) statistic to replace SPE statistic.

该方法采用主元相关变量残差(PVR)和一般变量残差(CVR)统计量代替SPE统计量用于过程监测。

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Less widely understood and discussed are the variable costs related to incident response, which can differ widely from case-to-case and if unmanaged can run far higher than fixed costs.

FORBES: Data Breach FUD: Fear, Uncertainty And Dollars