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Control Variate Estimators of Survivor Growth from Point Samples

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Two estimators of the control variate type for survivor growth from remeasured point samples are proposed and compared with more familiar estimators. The large reductions in variance, observed in many cases for estimators constructed with control variates, are also realized in this application. A simulation study yielded consistent reductions in variance which were often 50% and occasionally over 70%. FOR. SCI. 39(1):66-77.

Keywords: Point sampling; control variates; forest growth; forest inventory; simulation

Document Type: Journal Article

Affiliations: Mathematical Statisticians, Institute for Quantitative Studies, Southern Forest Experiment Station, USDA Forest Service, 701 Loyola Avenue, New Orleans, LA 70113

Publication date: 1993-02-01

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.

    2015 Impact Factor: 1.702
    Ranking: 16 of 66 in forestry

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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