The Poisson pmf sums to one

Sums the Poisson pmf over k = 0 .. kmax - 1.

Usage

PoisSum1(a, kmax = 200)

Arguments

a

expected count, >= 0.

kmax

truncation point, >= 1.

Value

list(total, error).

References

Morin, D. J. (2016). Probability: For the Enthusiastic Beginner. Createspace. Eq (7.11).

Examples

PoisSum1(3)$error
#> [1] 0