Uniformly Minimum Variance Unbiased Estimation of Gene Diversity
Author(s) -
Sanjay Shete
Publication year - 2003
Publication title -
journal of heredity
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.99
H-Index - 92
eISSN - 1471-8505
pISSN - 0022-1503
DOI - 10.1093/jhered/esg078
Subject(s) - minimum variance unbiased estimator , estimator , statistics , efficient estimator , bias of an estimator , biology , inbreeding , mathematics , efficiency , genetic diversity , stein's unbiased risk estimate , variance (accounting) , consistent estimator , population , demography , accounting , sociology , business
Gene diversity is an important measure of genetic variability in inbred populations. The survival of species in changing environments depends on, among other factors, the genetic variability of the population. In this communication, I have derived the uniformly minimum variance unbiased estimator of gene diversity. The proposed estimator of gene diversity does not assume that the inbreeding coefficient is known. I have also provided the approximate variance of this estimator according to Fisher's method. In addition, I have developed a numerical resampling-based method for obtaining variances and confidence intervals based on the maximum likelihood estimator and the uniformly minimum variance unbiased estimator. Efficiency in estimation of the gene diversity based on these two estimators is discussed. In accordance with the simulation results, I found that the uniformly minimum variance estimator developed in this report is more accurate for estimation of gene diversity than the maximum likelihood estimator.
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