This generic has five methods, they are used to apply importance
(sub) sampling to an individual
"Stem" object, or
"Stem" objects. See
importanceSampling-methods for details.
This is the signature argument, see the
Arguments that can be passed along to the proxy function.
Briefly, with importance sampling for bole volume (or some segment of the bole) one uses a proxy taper function from which to draw samples and thereby concentrate the samples in the lower portion of the bole, where there is more volume and measurements are easier. The diferent built-in proxy functions and their use are detailed in the vignette cited below. In addition, one can supply one's own proxy function if desired.
A valid object of class
mcsContainer", depending on which method was used.
Jeffrey H. Gove
Gove, J. H. 2013. Monte Carlo sampling methods in sampSurf. Package vignette.
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