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mean square

  • [数] 均方;均方差;均方值

网络释义专业释义

  [数] 均方

...,为了消除观察值多少对误差大小的影响,我们需要将其平均,即用各误差除以他们的自由度,我们将这一结果称为均方mean square)。我们只比较组间误差的均方和组内误差的均方,因而通常只计算SSA和SSE的均方

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  均方差

图 5 均值的结果显示2.2 标准差计算 ,简单来说,标准差 标准差(Standard Deviation)也称均方差mean square)是一组数值自平均值分散开来的程度的一种测量观念。

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短语

mean- square 先平方再平均

Mean-square slope 海面均方斜度

mean-square stable 均方稳定

mean root square error 均方根误差

mean-square errors 最小均方误差

mean-square acceleration 方均加速度

distance mean-square 均方距离

mean-square operator 均方算子

mean-square regression 均方回归

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·2,447,543篇论文数据,部分数据来源于NoteExpress

双语例句原声例句权威例句

  • The results of the test data indicate that the prediction system is reliable and the root of mean square error is about 15%.

    测试数据预测结果表明,该预测系统能够可靠工作预测结果均方根误差15%左右。

    danci.911cha.com

  • The least square solution and minimum mean square error(MMSE) solution for roundness error and spindle error was derived by measurement matrix in frequency-domain.

    这种方法利用测量矩阵直接给出圆度形状误差回转误差最小二乘最小误差

    www.chemyq.com

  • Our simulation results show that for high errors correlation case, new estimate is superior over the moment estimate appeared in literature under mean square error criterion.

    若以误差作度量估计优劣的标准模拟显示误差相关程度较高时,估计优于文献中常见估计

    dict.cnki.net

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  • All right? I mean, I can make money at Harvard Square doing this stuff, right?

    对不对?【鼓掌】我意思是,我可以在哈佛广场,靠做这个赚钱对不对?

    麻省理工公开课 - 计算机科学及编程导论课程节选

  • 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。

    耶鲁公开课 - 金融市场课程节选

  • That would mean putting fuel crops on just about every square inch of the U.S. (total land mass, 1.9 billion acres).

    FORBES: Magazine Article

  • That would mean putting fuel crops on just about every square inch of the country (total land mass, 1.9 billion acres).

    FORBES: Magazine Article

  • The sleek, sexy Blue Bar makes a mean martini, and for a healthier indulgence, the superb 22, 000-square-foot spa offers 16 harbor-view treatment rooms, an extensive hydrotherapy suite, and a menu that dips a toe into Chinese medicine.

    FORBES: Head to Head: Hong Kong

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