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Notes: An Analysis of Three Methods for Fitting Site-Index Curves

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The analysis of covariance method, the method of algebraic differences with all possible differences, and the method of weighted parameter prediction are shown analytically to be identical for fitting a site-index equation that can be transformed into a simple linear model. Results of the analysis apply to both anamorphic and polymorphic systems, which are linear in the parameters. For. Sci. 36(2):464-469.
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Keywords: Height-age equation; guide curve; parameter prediction

Document Type: Miscellaneous

Affiliations: Research Forester, USDA Forest Service, Center for Biological Control of Northeastern Forest Insects and Diseases, Hamden, CT 06514

Publication date: 1990-06-01

More about this publication?
  • Forest Science is a peer-reviewed journal publishing fundamental and applied research that explores all aspects of natural and social sciences as they apply to the function and management of the forested ecosystems of the world. Topics include silviculture, forest management, biometrics, economics, entomology & pathology, fire & fuels management, forest ecology, genetics & tree improvement, geospatial technologies, harvesting & utilization, landscape ecology, operations research, forest policy, physiology, recreation, social sciences, soils & hydrology, and wildlife management.
    Forest Science is published bimonthly in February, April, June, August, October, and December.

    2016 Impact Factor: 1.782 (Rank 17/64 in forestry)

    Average time from submission to first decision: 62.5 days*
    June 1, 2016 to Feb. 28, 2017

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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