区间数数据的相对左偏度及其应用

RELATIVE LEFT DEVIATION DEGREE OF INTERVAL NUMBER DATUM AND ITS APPLICATION

本文引入了区间数数据的相对左偏度的定义 ,给出了相应的性质和计算公式。在证券预期收益率为区间数数据下 ,阐述了相对左偏度在相应风险损失率度量中的应用。

This paper introduces the definition of relative left deviation degree of interval number datum , the property and computational formulas of the relative left deviation degree are given. It can be applied in the measure of risk rate when expected profit rate of stock investment is interval number datum.