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expected values

  • 期望值:在概率论和统计学中,一个离散性随机变量的期望值(或数学期望,亦简称期望,物理学中称为期待值)是试验中每次可能的结果乘以其结果概率的总和。期望值像是随机试验在同样的机会下重复多次,所有那些可能状态平均的结果,便基本上等同“期望值”所期望的数。期望值可能与每一个结果都不相等。换句话说,期望值是该变量输出值的加权平均。期望值并不一定包含于其分布值域,也并不一定等于值域平均值。

网络释义

  期望值

...券](underlyings)给定,在适合的基础变量(就是所说的Dupire局部波动)条件下,随机微分方程的系数 期望值expected values )是相等的,所以给定两个基础变量时,欧式期权的价格是相等的(等价说法是:两个基础变量的一维边际分布(one-dimensional marg...

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  理论值

χ χ2测验的公式:O是实测值(Observed values),E是理论值(Expected values),Σ (sigma)是总和的符号,是许多上述比值的总和的意思。从以上公式可以说明,所谓χ χ2值即是平均偏差平方的总和。

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  指定期望频数

...ecified range: use specified range:用户自定义个案范围 用户自定义个案范围  指定期望频数 指定期望频数(expected values) (expected values)  all categories equal: all categories equal:所有类别有相同的构成比 所有类别有相同的构成比  va...

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短语

Complete Knowledge of expected values 预期数据的完全常识

expected values of 预期值

negative expected values 他们用负期望值

Observed Minus Expected Values 观察值减去期望值

 更多收起网络短语

双语例句原声例句权威例句

  • Mock objects are used to verify that the expected values are being generated.

    模拟对象用于验证预期正在生成

    youdao

  • You can examine the action to determine whether all the fields in the action objects contain expected values.

    可以检查动作判断动作对象中的所有字段是否包含预期

    youdao

  • If you invoke the method, Rational Functional Tester automatically compares the actual values with the expected values.

    如果调用了该方法那么Rational Functional Tester会自动比较实际预期值。

    youdao

更多双语例句
  • Now only about "There is change in some people traditionally expected platinum to be an expensive metal, people are looking at it in the same terms as gold values,"

    VOA: standard.2009.10.17

  • When you get--this is Rituparna, counting the leaves on a tree-- you can estimate, from a sample, the population expected values.

    如果你...像数叶子的睿都巴若那一样,只有部分样本的话,你可以来估计总体均值

    耶鲁公开课 - 金融市场课程节选

  • This regulation required the balance sheets of financial institutions to list assets at their current market prices every day, rather than their historical costs or their expected values based on their probable future income streams.

    FORBES: Media Parrot Obama Financial Crisis Campaign Propaganda

  • Other than policies tied to current and expected future values of the overnight interest rate, the Federal Reserve has--and indeed, has been actively using--a range of policy tools to provide direct support to credit markets and thus to the broader economy.

    FORBES: Magazine Article

  • For such an exercise, banks would have to value these bonds not at their expected long-term values but at the current depressed market values.

    WSJ: European Disunion: Ties That Bound Europe Now Fraying

更多权威例句
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