EXTRAPOLATION
A method or technique to extend data or inferences beyond known values.
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extrapolation
Using known or observed data to infer or calculate values for unobserved times, locations or other variables outside a sampled area.
The term extrapolation is used if we want to find data points outside the range of known data points.
The maps we use as the standards are largely extrapolations, or more correctly, abstractions. They are often thematic, recording one or more surface types or themes-the signals- but ignoring others- the noise.
This precludes a strictly empirical approach, since only through a high level of realism in representation of critical processes is at all reasonable to expect valid extrapolations beyond available data (Hanninen 1995).
Most scientists even encourage an attitude of skepticism toward claims that contradict the current state of scientific knowledge or some easy extrapolation from it; but that only means such claims must meet a higher burden before being accepted, ...
Pariente: Geographic Interpolation and Extrapolation by Means of Neural Networks. EGIS/MARI'94 Proceedings. vol. 1. pp 684-693.
(Sárközy 1994) Sárközy F.: The GIS concept and the 3-dimensional modeling.
Marshall McLuhan, the "medium is the message" guy from back when, preached that tools numb whatever part of the body they amplify. By extrapolation, location-enabling tools render us less aware of our actual place.
The magnitude of the current at other elevations is determined by direct interpolation or extrapolation of the data. Alternatively, current flow continuity can be selected.
Make sure that all data entities to be tested exist in the area of interest. This will provide a representative dataset and allow the extrapolation of data volumes and conversion costs for the range of data over the entire conversion area.
Prediction Forecast or extrapolation of the future state of a system from current or past states. Pressure Is defined as the force acting on a surface from another mass per unit area.
 See also: Information, Analysis, Model, Object, Environment
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