The statistics use very simple logic, so that they can run quickly.
In particular, they only use queries that can be performed on the database - not ones that involve loading and analyzing records.
In this case, it *might* be possible to exclude records containing non-birth pedigrees. But if not, or it has an adverse impact on performance, we might simply have to change the definition of "oldest mother"
The statistics use very simple logic, so that they can run quickly.
In particular, they only use queries that can be performed on the database - not ones that involve loading and analyzing records.
In this case, it *might* be possible to exclude records containing non-birth pedigrees. But if not, or it has an adverse impact on performance, we might simply have to change the definition of "oldest mother"