optismixture: Optimal Mixture Weights in Multiple Importance Sampling

Code for optimal mixture weights in importance sampling. Workhorse functions penoptpersp() and penoptpersp.alpha.only() minimize estimated variances with and without control variates respectively. It can be used in adaptive mixture importance sampling, for example, function batch.estimation() does two stages, a pilot estimate of mixing alpha and a following importance sampling.

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Package details

AuthorHera Y. He, Art B. Owen
MaintainerHera Y. He <[email protected]>
Package repositoryView on CRAN
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optismixture documentation built on May 29, 2017, 1:02 p.m.