https://phys.org/news/2019-01-problems-forensic-software.html > At issue is a publicly available computer program called DXAGE, which was released in 2018. The program estimates age-at-death based on bone mineral density. > Ross and collaborator Jonathan Bethard, an assistant professor of anthropology at USF, noticed that DXAGE's estimates for adult female remains were based on a fairly small sample size – the remains of only 100 women.