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poisson
泊松

poisson distribution
泊松分佈

poisson's ratio
泊松比

returns the poisson distribution.
计算泊松分布。

poisson(number; mean; c)
poisson(number; mean; k)

poisson(number; lambda; cumulative)
poisson( 数值; lambda; 累积标志)

poisson(60; 50; 0) equals 0.020105
poisson( 60; 50; 0) 等于 0. 020105

mean. the mean value of the poisson distribution.
期望值。

the poisson() function returns the poisson distribution.
poisson () 函数返回泊松分布 。

the value for which the poisson distribution is to be calculated.
计算泊松分布的数值。

the randpoisson() function returns a poisson-distributed pseudo-random number.
randpoisson () 函数返回泊松( poisson) 分布的伪随机数 。

the 95% confidence intervals for rates are displayed and were estimated by assuming normal approximations to the poisson distribution
表现了比率95%的置信区间，并通过假设泊松分布的常态近似值进行估计

the poisson model is used in cases where there is a large number of independent events and each event has a small probability of occurring.
当有许多互不相关的事件而每一事件都有较小的发生概率时，使用poisson模型。

\<bookmark_value\>poisson function\</bookmark_value\>
\<bookmark_value\>poisson 函数\</bookmark_value\>

\<emph\>mean\</emph\> represents the middle value of the poisson distribution.
\<emph\>mean\</emph\> 表示泊松分布的平均值。

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