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Andrew P. Robinson, Timothy G. Gregoire, Harry T. Valentine

Cut-off importance sampling of bole volume.

Robinson A.P., Gregoire T.G., Valentine H.T. (1997). Cut-off importance sampling of bole volume. Silva Fennica vol. 31 no. 2 article id 5615. https://doi.org/10.14214/sf.a8516

Abstract

Cut-off importance sampling (CIS) is introduced as a means of sampling individual trees for the purpose of estimating bole volume. The novel feature of this variant of importance sampling is the establishment on the bole of a cut-off height, HC, above which sampling is precluded. An estimator of bole volume between predetermined heights HL and HU > HC is proposed, and its design-based bias and mean square error are derived. In an application of CIS as the second stage of a two-stage sample to estimate aggregate bole volume, the gain in precision realized from CIS more than offset its bias when compared to the precision of importance sampling when HC = HU.

Keywords
mean-square error; Monte Carlo methods; two-stage sampling; forest mensuration

Published in 1997

Available at https://doi.org/10.14214/sf.a8516 | Download PDF

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