and variance
网络释义
Add actuals to the budgets each month as they occur, then use pivot tables to produce monthly profitability reports comparing Actual versus Budget, and Variance.
基于1个网页-相关网页
sample mean and variance 样本平均值与方差
Mean and Variance Normalization 均值方差规整
Standard deviation and variance 标准差和方差
bias and variance 偏差与方差
block mean and variance 块的平均和方差
Cepstral mean and variance normalization 和倒谱均值方差规整 ; 正规化法
Mean and Variance Normal ization 均值方差规整
form and variance 形成与变迁
双语例句原声例句权威例句
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Figure 1: a normal distribution with mean 3 and variance 1.
图1：平均值为3且方差为1的正态分布。
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We can see the state of the project, including financial totals and variance.
我们可以看到这个项目的状态，包括财务汇总情况和有不一致的地方。
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Expected value is good and variance is bad because that's risk; that's uncertainty.
期望值越高越好,方差就相反,因为方差代表着风险,也就是不确定性
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In fact, I have it--suppose we have three assets and we want to compute the efficient portfolio frontier, the mean and variance of the portfolio.
事实上，假如我们拥有三种资产,我们想计算有效边界，及投资组合的均值和方差。
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Expected value is good and variance is bad because that's risk; that's uncertainty.
期望值越高越好,方差就相反,因为方差代表着风险,也就是不确定性
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But, in between, if some other number, it'll be some blend of the--mean and variance of--the portfolio will be some blend of the mean and variance of the two assets.
但如果是在0和1之间的其他数值，这个投资组合的均值和方差将会是,两项资产各自的均值和方差的综合结果。
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