Extrapolation: Difference between revisions
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::Extrapolation is generally a less reliable estimation method than Interpolation. | ::Extrapolation is generally a less reliable estimation method than Interpolation. | ||
::Extrapolation can be particularly unreliable when historical trends - for example historic growth rates - are projected into future periods for planning purposes. | ::Extrapolation can be particularly unreliable when historical trends - for example historic growth rates - are projected into future periods for planning purposes. | ||
Revision as of 21:36, 13 August 2013
- A straight-line estimation method where the estimated result lies beyond the range spanned by two or more known data points.
- More generally, any estimation method where the estimated result lies beyond the range spanned by two or more known data points. (Not necessarily using straight-line methods of estimation.)
- Extrapolation is generally a less reliable estimation method than Interpolation.
- Extrapolation can be particularly unreliable when historical trends - for example historic growth rates - are projected into future periods for planning purposes.
