Cohort or cohortes may refer to:
Cohort
Sociological
*
Cohort (military unit)
A cohort (from the Latin ''cohors'', : ''cohortes''; see wikt:cohors for full inflection table) was a standard tactical military unit of a Roman legion. Although the standard size changed with time and situation, it was generally composed of 4 ...
, the basic tactical unit of a Roman legion
*
Cohort (educational group)
A cohort is a Student group, group of students who work through a curriculum together to achieve the same academic degree together. Cohortians are the individual members of such a group. In a cohort, there is an expectation of richness to the lea ...
, a group of students working together through the same academic curriculum
Scientific
*
Cohort (statistics)
In statistics, epidemiology, marketing and demography, a cohort is a group of research subject, subjects who share a defining characteristic (typically subjects who experienced a common event in a selected time period, such as birth or graduatio ...
, a group of subjects with a common defining characteristic, for example age group
*
Cohort (floating point), a set of different encodings of the same numerical value
*
Cohort (taxonomy)
In biology, taxonomic rank (which some authors prefer to call nomenclatural rank because ranking is part of nomenclature rather than taxonomy proper, according to some definitions of these terms) is the relative or absolute level of a group of or ...
, in biology, one of the taxonomic ranks
*
Cohort study
A cohort study is a particular form of longitudinal study that samples a Cohort (statistics), cohort (a group of people who share a defining characteristic, typically those who experienced a common event in a selected period, such as birth or gra ...
, a form of longitudinal study used in medicine and social science
*
Cohort analysis, a subset of behavioral analytics that takes the data from a given data set
*
Generational cohort, an aggregation of individuals who experience the same event within the same time interval
Gaming
*
Cohort Studios, a video game development company
* "Cohort", a disc golf putter by
Infinite Discs
Cohortes
* ''
Cohortes urbanae
The ''cohortes urbanae'' (Latin meaning ''urban cohorts'') of ancient Rome were created by Augustus to counterbalance the enormous power of the Praetorian Guard in the city of Rome and serve as a police service. They were led by the Praefectus ...
'', the riot police of Ancient Rome, also pressed into use as a military unit
*
Cohortes vigilum, the firefighters and police of Ancient Rome
{{disambiguation