# 负二项分布

## 函数

 makedist 创建概率分布对象 fitdist 对数据进行概率分布对象拟合 distributionFitter 打开分布拟合器
 cdf 累积分布函数 gather Gather properties of Statistics and Machine Learning Toolbox object from GPU (自 R2020b 起) icdf 逆累积分布函数 iqr Interquartile range of probability distribution mean 概率分布的均值 median Median of probability distribution negloglik Negative loglikelihood of probability distribution paramci Confidence intervals for probability distribution parameters pdf 概率密度函数 plot Plot probability distribution object (自 R2022b 起) proflik Profile likelihood function for probability distribution random 随机数 std 概率分布的标准差 truncate Truncate probability distribution object var Variance of probability distribution
 nbincdf Negative binomial cumulative distribution function nbinpdf Negative binomial probability density function nbininv Negative binomial inverse cumulative distribution function nbinstat Negative binomial mean and variance nbinfit Negative binomial parameter estimates nbinrnd Negative binomial random numbers

## 对象

 NegativeBinomialDistribution 负二项分布对象

## 主题

• Negative Binomial Distribution

The negative binomial distribution models the number of failures before a specified number of successes is reached in a series of independent, identical trials.