e/Unit of observation

Information
has gloss	eng: The Unit of observation is the unit on which one collects data (data on neighborhoods of people using the U.S. Census, on individuals using surveys, etc.). For example, a study may have a unit of observation at the individual level but may have the unit of analysis at the neighborhood level, drawing conclusions on neighborhood characteristics from data collected from individuals. See also: Unit of analysis
lexicalization	eng: Unit of observation
instance of	c/Statistical data types