CDF:累积分布函数

在统计学及众多科学领域中,“累积分布函数”(Cumulative Distribution Function)是一个基础而重要的概率概念,通常简称为CDF。这一缩写形式便于快速书写与交流,尤其常见于学术文献和研究报告中。CDF用于描述一个随机变量取值小于或等于某个特定数值的概率,是概率分布分析中的核心工具之一。

Cumulative Distribution Function具体释义

  • 英文缩写:CDF
  • 英语全称:Cumulative Distribution Function
  • 中文意思:累积分布函数
  • 中文拼音:lěi jī fēn bù hán shù
  • 相关领域cdf 统计学

Cumulative Distribution Function的英文发音

例句

  1. 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.
  2. 给出了各种复合衰落的概率密度函数、累积分布函数(CDF)、平均电平交叉率、平均衰落时间的统一表达式。
  3. The probabilistic distribution model for the release rates of H2S in the sour gas wells of Sichuan and Chongqing areas was developed using the complementary cumulative distribution function.
  4. 利用川渝地区含硫气井H2S释放速率数据,根据其累积概率分布函数建立概率分布模型。
  5. The Gaussian and Gamma approximations to system capacity cumulative distribution function were very accurate.
  6. 对于系统的容量分布函数,采用高斯和Gamma近似方法,都得到很好的近似效果;
  7. Based on sustainability assessment, by cumulative distribution function of data from evaluation, the division was made depending on groundwater sustainable assessment result in current year, and reasonable exploitation and utilization suggestions were proposed about each division.
  8. 在可持续评价的基础上,创新利用评价结果数据的累计分布函数,对现状年地下水可持续性评价结果做了区划,并针对每种区划提出了合理化的开采利用建议。
  9. And we prove it can achieve better effect than Fisher z transformation in approximating the cumulative distribution function, by comparing the difference between Fisher z transformation and Sigmoid function with that and the cumulative distribution function.
  10. 通过比较该函数和FisherZ变换与累积分布函数(CDF)的差值,证实了这种Sigmoid函数可以实现比FisherZ变换对累积分布函数(CDF)更好的逼近效果。