【cumulative_distribution_function--】什么意思_英语cumulative_distribution_function--的翻译_音标_读音_用法_例句_在线翻译

abstract: In probability theory and statistics, the cumulative distribution function (CDF), or just distribution function, describes the probability that a real-valued random variable X with a given probability distribution will be found at a value less than or equal to x. In the case of a continuous distribution, it gives the area under the probability density function from minus infinity to x.

以上来源于: WordNet

1.
N a function defined on the sample space of a distribution and taking as its value at each point the probability that the random variable has that value or less. The function F(x) = P(X≤x) where X is the random variable, which is the sum or integral of the probability density function of the distribution 累积分布函数 (Sometimes shortened to distribution function) [statistics]

The probability density function, cumulative distribution function, average level crossing rate and average fade duration of each composite fading channel are analyzed, and some uniform expression.

给出了各种复合衰落的概率密度函数、累积分布函数、平均电平交叉率、平均衰落时间的统一表达式。

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Prediction rate is the cumulative distribution function of the area percentage of the landslides not used to construct a model with respect to the classes in the prediction map generated.

滑坡预测模型的预测率是，模型预测结果图的各个级别类型中，未用于建模的滑坡面积百分比的累积分布函数。

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Because some products show no failure in the random truncation test period, this paper USES the mean rank order method to calculate the empirical cumulative distribution function.

考虑随机截尾试验中有些试验产品无故障数据出现，提出采用平均秩次法计算经验分布函数。

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cumulative distribution function