value variance的意思|示意
value variance相关短语
1、 expected value & variance 期望值与方差
2、 random value variance 随机值变化
3、 residual value variance estimator 残余价值
4、 average value-variance 均值
5、 phenotype value variance 表型方差
6、 phenotypic value variance 表型方差
7、 average value-variance model 均值
8、 variance optimum value 方差最优值
9、 optimum value of variance 最佳变异数
value variance相关例句
The variance of a random variable measures how far from the expected value its values typically are.
随机变量的方差衡量随机变量值与期望值偏离的程度。
From the study on value variance, we get some enlightenment: First, close connection and advance depending each other are the relation among society, value and college entrance examination policy;
从对价值观念变迁的研究中，我们 得到几点启示：第一，紧密联系、互动前进，是社会、价值观念、高考政策三者之间的关系；
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