The decompositions clarify the relationship of influential observations, outliers, and high leverage cases.
将它们分解为两项之积,指出强影响点、异常点、高杠杆点间的内在联系;
There exists asymmetry characteristic of residual distribution in the regression model of city air quality forecast. It is caused by some high leverage cases.
城市空气质量回归预报模型的残差分布存在着不对称现象,它是由高杠杆点引起。
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