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Preferred term

interpolation  

Definition

  • Interpolation means to estimate a value of a FUNCTION or series between two known values. Unlike EXTRAPOLATION, which estimates a value outside a known range from values within a known range, interpolation is concerned with estimating a value inside a known range from values within that same range. [Source: The SAGE Encyclopedia of Social Science Research Methods; Interpolation]

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URI

https://concepts.sagepub.com/social-science/concept/interpolation

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