Regression and functional relations

A - Papers appearing in refereed journals

Webster, R. 1997. Regression and functional relations. European Journal of Soil Science. 48 (3), pp. 557-566.

AuthorsWebster, R.

Regression is frequently abused in soil research. Its proper use is for statistical prediction. It may also be used to calculate equations for calibration. A regression equation may be used to express a functional relation between two soil variables that are thought to be related by some simple mathematical law but only where one of the variables is known exactly. In most other circumstances regression is inappropriate. Where departures from a functional relation are a result of errors of measurement and sampling fluctuation it should be replaced by a structural analysis to find the best equation. Where the underlying relation is truly bivariate it should be described as such.

KeywordsSoil Science
Year of Publication1997
JournalEuropean Journal of Soil Science
Journal citation48 (3), pp. 557-566
Digital Object Identifier (DOI)
Open accessPublished as non-open access
Funder project or code206
Project: 141349

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