在 R 编程中计算随机绘制的泊松密度 – rpois()函数
R 语言中的rpois()
函数用于计算泊松分布的随机密度。
Syntax: rpois(N, lambda)
Parameters:
N: Sample Size
lambda: Average number of events per interval
示例 1:
# R program to compute random
# Poisson Density
# Setting seed for
# random number generation
set.seed(1000)
# Set sample size
N <- 20
# Calling rpois() Function
y <- rpois(N, lambda = 5)
y
输出:
[1] 4 6 2 6 5 2 6 5 3 3 4 6 4 7 7 2 5 6 2 5
示例 2:
# R program to compute random
# Poisson Density
# Setting seed for
# random number generation
set.seed(1000)
# Set sample size
N <- 100
# Calling rpois() Function
y <- rpois(N, lambda = 15)
# Plot a graph
plot(y)
输出: