stationarity.

The condition in which relevant statistical properties of a process remain unchanged as time shifts.

Use it for

Words that belong together

• weak stationarity
• stationarity of a time series

On the page

Weak stationarity required a constant mean and an appropriate time-invariant covariance structure.

The analysis tested stationarity of the time series before applying the chosen model.

Usage notes

Primary category: science / research / methodology. Forms: Usually uncountable. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: method specification, measurement critique, model interpretation, qualification. Disciplines: research methods, statistics, experimental design. Commonness: uncommon.