Cohort
From Wikipedia, the free encyclopedia
A cohort was a Roman military unit, a component of a legion. The term is now used in several different areas to denote various types of groups:
- In biology:
- Cohort (taxonomy), a taxonomic level for a group of allied orders or families of species
- Cohort (ecology), a group of organisms of the same species and roughly similar ages
- Cohort (computer science), a concept in computer science
- Cohort (statistics), an age group in statistics, epidemiology, and economics, from which derives
- Cohort study, a form of longitudinal study used in medicine and social science
- COHORT, abbreviation of Cohesion, Operational Readiness and Training. 1980s US Army project trying to increase cohesion in combat units.