trend extrapolation
- noun
- /trɛnd ˌɛkstræpəˈleɪʃən/
- Specialized
:
extrapolación de tendencias
- Trend extrapolation is a crucial technique for economists to forecast inflation rates using historical economic data.
Examples
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Many companies rely on trend extrapolation to shape their marketing strategies and inform investments.
-
While much of the futures' attention has been placed on research methods such as trend extrapolation, alternative futures selection, scenario writing, Delphi techniques, and various computerized mathematical models, not until recently has the concept of vision received serious consideration.
Academic text (1995) -
Using trend extrapolation, analysts can predict future sales based on patterns in past data.
Synonyms
137
4.4
An estimate of a future result based on past and present data
12
8.1
To use known facts or data to guess what happens beyond what we have seen
How Sophisticated
- Specialized
137
4.4
Surface Forms
Morphology
The meaning is transparently compositional: 'extrapolation' (estimating beyond observed data) applied to a 'trend' (a pattern or direction of change) directly yields predicting future values from an observed trend. A B1 learner who knows both constituent words can infer this meaning because it follows a standard, literal analytic composition common across languages.
Etymology
The term trend extrapolation comes from the simple picture of drawing a line that follows a past trend and then stretching that line forward, so the word extrapolation feels like 'stretching out' the pattern. That's why trend extrapolation is used to 'predict' or 'forecast' future values.