1) average deviation
平均差
1.
Range,average deviation and standard deviation are the three indices of variability that statisticians use to characterize the dispersion among the measures in a given population.
极差(R)、平均差(AD)和标准差(δ)是描述离散程度所采用的三个测度值,通过证明,三者之间存在着R≥δ≥AD≥0的关系式。
2) mean deviations
平均差
1.
This paper studies a kind of uncertain multiattribute decision-making problems,in which the information about the attribute weights are unknown completely and the attribute values are in the forms of interval numbers,and presents a method based on deviation degree of interval numbers for determining the weights of multi-attribute decision making problems by maximizing standard and mean deviations.
研究了属性权重信息完全未知且属性值以区间数形式给出的不确定型多属性决策问题,提出了一种基于区间数相离度的不确定型多属性决策权系数确定方法——标准差和平均差极大化方法,并给出了一种基于可能度的决策方案排序方法。
3) mean difference
平均差
1.
Standard deviation and the inherent relation of mean differences and application study;
标准差和平均差的内在关系及应用研究
2.
However, if we construct a comprehensive measuring index using the method of standard deviation and mean difference maximization and assimilate the advantages of the above indexes, we can.
而运用标准差和平均差极大化方法构造一种综合评价测度指标,并吸取述上述五个指标的长处,可对基金绩效作出唯一和合理的评价。
4) Mean deviation
平均差
1.
An important inequality between standard deviation and mean deviation δ=E|X-EX| is given :σ≥δ,the equality holds if and only if X is one-point distributed or equal probabieity two-point distributed.
本文证明了随机变量标准差和平均差δ＝Ｅ｜Ｘ－ＥＸ｜间的一个重要不等式：σ≥δ，等号当且仅当Ｘ服从单点分布或等概率两点分布时成立。
5) mean range
平均差值平均差
6) mean deviation
平均差;平均偏差
补充资料：平均差
平均差是各单位标志值与平均数的离差的绝对值的算术平均数。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条