The Stirling Poisson pmf evaluated at k = round(a + x).
Arguments
- x_dev
deviation from the mean; k = round(a + x_dev) must be >= 1.
- a
expected count, > 0.
Value
list(k, approx, exact).
References
Morin, D. J. (2016). Probability: For the Enthusiastic
Beginner. Createspace. Eq (5.17).
Examples
PoisStirC(2, 8)$approx
#> [1] 0.1000919
