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Critical Height Versus Importance Sampling for Log Volume: Does Critical Height Prevail?

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The estimator developed in Van Deusen (1987) is generalized to allow for unbiased estimation of log or tree volume using the critical height method. Comparisons are made with importance sampling (Gregoire et al. 1986) that suggest that the critical height method is more efficient and robust. The critical height method also requires fewer computations in the field. For. Sci. 36(4):930-938.

Keywords: Antithetic variates; control variates; taper function

Document Type: Journal Article

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

Publication date: December 1, 1990

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