standard variance
网络释义
Mean Standard Variance 平均标准差异准则
standard variance method 方差赋权法
standard variance analysis [会计] 标准差异分析
standard variance normalization 均方差归一法
standard cost variance [会计] 标准成本差异
Variance and Standard Deviation 方差和标准差 ; 方差与标准差 ; 标准差 ; 方差和标准偏差
variance from standard method [会计] 标准差异法
standard costs variance 标准成本差异
双语例句原声例句权威例句
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The standard variance characteristic of target data is used to reduce false alarm rate.
算法同时利用目标方差特性以减少虚警率。
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You can use it to turn your variance measurement into a standard deviation measurement, as shown in Listing 8.
您可以利用此函数将您的样本方差计算转换为样本标准差计算，如清单8所示。
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The standard deviation is the square root of the variance.
标准差是方差的平方根
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Depending on where the assets expected returns are and the assets' standard deviations, we can see that we might be able to do better than--have a lower variance than either asset.
根据资产的预期收益,以及收益的标准差，可以看到我们有更好的选择,这里的方差值比以上两种方案都要低。
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What we want to do now is compute the mean and variance of the portfolio-- or the mean and standard deviation, since standard deviation is the square root of the variance-- for different combinations of the portfolios.
我们现在要做的是,计算这个投资组合的均值和方差-,或者均值和标准差，因为标准差的平方就等于方差-,这对任何投资组合都是一样的。
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