Make the initial groupMembers animal list

initializeHaremGroups(numGp, currentGroups, candidates, ped, minAge)

Arguments

numGp	integer value indicating the number of groups that should be formed from the list of IDs. Default is 1.
currentGroups	list of character vectors of IDs of animals currently assigned to the group. Defaults to character(0) assuming no groups are existent.
candidates	character vector of IDs of the animals available for use in the group.
ped	dataframe that is the `Pedigree`. It contains pedigree information including the IDs listed in `candidates`.
minAge	integer value indicating the minimum age to consider in group formation. Pairwise kinships involving an animal of this age or younger will be ignored. Default is 1 year.

Initial groupMembers list