评论由：eraserhd 提供
user=> (gen/sample (gen/poisson 1/500) 500) (0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0) user=> (gen/sample (gen/poisson 1/5) 500) (1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 1 1 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 1 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 1 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 1 1 0 1 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 1 1 0 0 0 0 0 0 0 0 1 1 1 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 1 1 0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 1 1 0 0 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 1 1 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0) user=> (gen/sample (gen/poisson 1) 500) (2 2 1 1 1 0 2 2 0 0 0 1 0 1 2 1 2 2 2 2 1 1 2 2 0 1 2 0 0 1 1 2 1 1 0 1 2 0 1 1 0 1 1 1 0 2 2 0 2 1 1 1 0 1 1 0 0 1 2 0 1 1 1 2 0 1 1 0 0 0 0 2 2 0 1 1 2 2 0 0 1 0 2 0 0 1 2 1 1 1 1 1 2 2 0 1 0 1 1 1 0 1 0 2 1 0 1 0 1 0 0 0 2 1 1 0 0 2 0 1 2 1 0 2 1 0 1 0 0 1 1 2 1 2 0 1 1 2 0 1 1 2 1 1 0 0 2 1 2 1 0 0 2 1 1 2 0 1 2 1 1 0 2 2 1 1 2 1 1 2 0 1 0 1 0 0 0 1 2 0 2 1 1 2 1 0 1 0 0 1 1 0 1 0 1 1 2 0 0 2 1 0 2 0 1 0 2 1 1 0 2 1 0 1 1 0 1 0 2 0 0 0 0 2 1 0 0 1 1 2 1 0 2 2 2 2 0 1 2 1 0 1 1 1 2 1 0 0 1 0 0 1 2 1 0 0 0 2 2 0 1 1 1 0 2 0 0 0 1 1 1 0 0 0 2 1 2 1 0 0 2 1 1 1 2 1 1 2 2 0 1 2 1 2 2 0 0 1 2 2 0 1 1 2 0 1 1 2 1 1 1 1 0 2 2 2 1 0 1 1 0 1 2 0 1 1 1 1 2 1 0 1 2 0 0 2 1 0 2 0 0 1 0 1 1 1 2 1 1 0 0 2 1 1 1 2 2 0 0 2 1 1 1 0 0 2 2 0 1 0 1 2 1 1 0 0 0 2 0 1 1 1 2 2 1 1 0 2 1 0 1 2 1 0 0 0 1 0 0 2 1 1 0 1 2 1 1 0 2 1 0 0 0 1 2 1 1 2 1 1 0 2 0 0 2 2 1 0 2 0 2 2 2 1 1 2 0 0 0 1 0 1 2 0 2 1 2 0 1 0 1 2 1 0 1 0 1 0 0 0 1 1 2 2 0 0 2 1 1 1 2 1 1 0 2 1 2 0 0 1 0 0 1 0 1 0 0 0 1 1 1 0 1 0 1 0 0 0 0 2)
