Uväärtus
Uväärtus is a term used in Estonian-language contexts to denote a value that is undefined, not applicable, or missing in a data or logical system. It is comparable to undefined, null, or N/A in other languages. The word combines the root väärtus (value) with the prefix u- to signal absence.
In use, uväärtus marks entries with missing data or non-applicable responses in statistics and databases. In
Etymology and usage notes reflect its status as a technical term in Estonian documentation. It derives from
In mathematics and logic, uväärtus can denote a result outside the defined value domain or an undefined
Handling uväärtus typically involves data validation rules that treat it as a signal to prompt imputation,
Examples include a survey dataset where an unanswered question yields uväärtus or a financial spreadsheet where
See also: Null value, Undefined value, Not a Number (NaN), Missing data.