Returns dataframe with true animal Ids (Id) and date strings (Date) from Animal.ID column.

Returns dataframe with true animal Ids (Id) and date strings (Date) from Animal.ID column.

get_id_date_repeated(animal_id_col)

Arguments

animal_id_col	character vector containing the composite descriptor that has the animal Id and sample date. I may also have an 'R' indicating that the sample is a repeated sample.