By Jerome P. Keating
Pitman's degree of Closeness (PMC) is just an concept whose time has come. definitely there are various alternative ways to estimate unknown parameters, yet which process for those who use? Posed in its place to the concept that of mean-squared-error, PMC relies at the possibilities of the closeness of competing estimators to an unknown parameter. Renewed curiosity in PMC over the past two decades has influenced the authors to provide this booklet, which explores this technique of comparability and its usefulness. Written with examine orientated statisticians and mathematicians in brain, but additionally contemplating the desires of graduate scholars in facts classes, this ebook offers an intensive advent to the tools and identified effects linked to PMC. Following a foreword through C .R. Rao, the 1st 3 chapters concentrate on easy ideas, background, controversy, paradoxes and examples linked to the PMC criterion.