birthdayproblem
Functionality for handling the birthday problem with unequal probabilities
More information about the mathematical details of the computation and an example calculation can be found in the post Happy pbirthday class of 2016.
A small demo on how to use the package to calculate the name collision probability for birth cohorts over time can be found in the post US Babyname Collisions 1880-2014
Install package using:
devtools::install_github("hoehleatsu/birthdayproblem")