Trend surface analysis Source: en.wikipedia.org/wiki/Trend_surface_analysis

Trend surface analysis, also known as trend surface mapping, is a mathematical technique used in archaeology and environmental sciences such as geology and soil science. The method involves using low-order polynomials of spatial coordinates to estimate a regular grid of points from scattered observations such as archeological finds or soil survey results.^[1]

References

^ Agterberg, Frits P. (1984), Gaile, Gary L.; Willmott, Cort J. (eds.), "Trend Surface Analysis", Spatial Statistics and Models, Dordrecht: Springer Netherlands, pp. 147–171, doi:10.1007/978-94-017-3048-8_8, ISBN 978-90-481-8385-2, retrieved 2024-04-20

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[1] Agterberg, Frits P. (1984), Gaile, Gary L.; Willmott, Cort J. (eds.), "Trend Surface Analysis", Spatial Statistics and Models, Dordrecht: Springer Netherlands, pp. 147–171, doi:10.1007/978-94-017-3048-8_8, ISBN 978-90-481-8385-2, retrieved 2024-04-20

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