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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: February 1, 1993

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