Data science is a field of work in which professionals seek to extract meaningful information from large amounts of complex data in the search for solutions to business challenges. Coursework may focus on mathematics, statistics, programming, and the development of analytic skills.

Hong Kong is one of the two Special Administrative Regions of the People's Republic of China, the other being Macau.

The PhD is a doctoral degree, specifically called a "doctor of philosophy" degree. This is misleading because PhD holders are not necessarily philosophers (unless they earned their degree in philosophy!). That said, PhD recipients are able to engage in thought experiments, reason about problems, and solve problems in sophisticated ways.