sufficient statistic
- sufficient statistic的基本解释
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充分统计量
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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。
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This has quite bad influence on social economy development . In the paper, we try to find the key problem in venture capital entry in China by sufficient material collection, statistic, analysis and related comparison with the most developing countries.
本文通过对目前中国风险投资进入现状的分析及与国外的比较,发现问题并依据影响风险投资进入的因素和国外经验借鉴,提出完善建设中国风险投资进入机制的观点和措施。
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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。
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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。
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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。
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Sufficient statistic:充分统计量
12、这里的充分信息概念,是我们从统计学中关于充分统计量(sufficient statistic)的概念借鉴而来,表明当企业所有者不能够获得关于企业经营全部信息的情形下,只需掌握这种最充分反映企业经营状况的信息即可以获得关于企业实际经营绩效的必要信息,
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Minimal sufficient statistic:最小充分统计量
Median test,中位数检验 | Minimal sufficient statistic,最小充分统计量 | Minimum distance estimation,最小距离估计
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natural sufficient statistic:自然充分统计量
自然尺度 natural scale | 自然充分统计量 natural sufficient statistic | 自然允差界限 natural tolerance limit
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necessary and sufficient statistic:必要充分统计量
necessary and sufficient conditions 必要充分的条件 | necessary and sufficient statistic 必要充分统计量 | necessary condition 必要条件
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randomized minimal sufficient statistic:随机化最小充分统计量
随机化最小充分统计量 randomized minimal sufficient statistic | 随机化模型 randomized model | 随机化反应 randomized response
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