查询词典 sufficient statistic

In hypothesis testing, the Likelihood Ratio Test can often be reduced to a sufficient statistic of the data.

很多情况下，你还可以加上血型这样一个统计量，估计会更精确点。

E.g. if we know that a distribution is normal with variance 1 but has an unknown mean, the sample average is a sufficient statistic for the mean.

比如，你想判断一个人的性格，你可以问他或她是什么星座的，给定星座的情况下，你对他/她性格的"分布"会有一个估计。

In the markets with frictions, there is no reason to view price as a sufficient statistic for the states of the market, and the volume of trade provides additional information about how assets are priced in the market.

但是，当信息不完全时，投资者对金融资产价值的估价有可能较大地偏离其基础价值，此时发生的交易可能是部分投资者的非理性行为。

A statistic is sufficient for inference about q if and only if the values of any sample from that distribution give no more information about q than does the value of the statistic on that sample.

但莫明其妙的是，在很多情况下，这么多因素的信息居然浓缩在"星座"这一个信息里。

In statistics, a statistic is sufficient for the parameter θ, which indexes the distribution family of the data, precisely when the data's conditional probability distribution, given the statistic's value, no longer depends on θ.

统计量是样本的不带任何未知量的函数，一般而言，统计量所包含的信息比样本要少，但可能这些漏掉的信息是无关紧要的。

To having the behavior person of fairness psychology preference, although produce the process is complete independence, best bond also is to depend on at the same time the combination that the individual yields with other is contracted, is not to depend on only the independence that the individual yields is contracted, the sufficient statistic of result standard game theory measures a principle to hold water no longer.

对具有公平心理偏好的行为人，即使生产过程是完全独立的，最优契约也是同时取决于个人产出和他人产出的联合契约，而不是仅取决于个人产出的独立契约，结果标准博弈论的充分统计量原则不再成立。

Further more, most analysis lacks sufficient statistic data as a strong support.Most of the analysis refer to or directly quote other foreign works and therefore the conclusions are less practical and convictive.

尤其重要的是，由于我国对雇员流动的数据统计资料不足，这些分析大多参照或引用国外同行资料得出，因而其结论实用性、说服性不强。

It is shown that if the distribution of market information is equal, then the equilibrium price serves as a sufficient statistic for the market information.

研究中特别将私人讯息分配之情形纳入模型中，并假设投资人之绝对风险厌系为常，各自追求预期效用极大，得出市场结清均衡时，均衡价格为市场讯息按照其精确与观察频之乘积加权平均。

When all the market information frequencies are proportional to the information observed, the equilibrium price is a sufficient statistic for market information.

主要发现有：第一，市场讯息分配均等将导致均衡价格取代私人讯息而成为市场中各种讯息之充分统计，此时证券市场具有资讯效，投资人失去搜集私人讯息之动机。

Fortunately, crude monetarism has not been proposed as an elixir for deflation in the rest of the world -- yet. Much of the academic community recognizes De Long's distinction between Old Chicago Monetarism, which did not believe velocity to be stable or money supply control to be straightforward or easy, and Political Monetarism, which argued that velocity is stable and that money supply is a sufficient statistic for controlling nominal demand.

幸运的是，世界其他地区还没有把拙劣的货币主义当作治疗通货紧缩的灵丹妙药----至少到目前为止尚未如此。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！