unbiased measure
51Efficiency (statistics) — In statistics, efficiency is one measure of desirability of an estimator.The efficiency of an unbiased statistic T is defined as:e(T)=frac{1/mathcal{I}( heta)}{mathrm{var}(T)}where mathcal{I}( heta) is the Fisher information of the sample.Thus… …
52Minimum distance estimation — (MDE) is a statistical method for fitting a mathematical model to data, usually the empirical distribution. Contents 1 Definition 2 Statistics used in estimation 2.1 Chi square criterion …
53Phi coefficient — In statistics, the phi coefficient (also referred to as the mean square contingency coefficient and denoted by φ or rφ) is a measure of association for two binary variables introduced by Karl Pearson[1]. This measure is similar to the Pearson… …
54Kaplan–Meier estimator — The Kaplan–Meier estimator,[1][2] also known as the product limit estimator, is an estimator for estimating the survival function from life time data. In medical research, it is often used to measure the fraction of patients living for a certain… …
55fair — adj 1 comely, lovely, *beautiful, pretty, bonny, handsome, beauteous, pulchritudinous, good looking Analogous words: delicate, dainty, exquisite (see CHOICE): charming, attractive, enchanting (see under ATTRACT): pure, *chaste Antonyms: foul: ill …
56Student's t-test — A t test is any statistical hypothesis test in which the test statistic follows a Student s t distribution if the null hypothesis is supported. It is most commonly applied when the test statistic would follow a normal distribution if the value of …
57The Dark Energy Survey — DES logo The Dark Energy Survey (DES) is a survey that aims to probe the dynamics of the expansion of the universe and the growth of large scale structure. The collaboration is composed of research institutes and universities from United… …
58Official statistics — on Germany in 2010, published in UNECE Countries in Figures 2011. Official statistics are statistics published by government agencies or other public bodies such as international organizations. They provide quantitative or qualitative information …
59point estimation — Statistics. the process of determining a single estimated value (point estimate) of a parameter of a given population. Cf. interval estimation. [1960 65] * * * ▪ statistics in statistics, the process of finding an approximate value of some… …
60Productivity — in economics refers to measures of output from production processes, per unit of input. Labor productivity, for example, is typically measured as a ratio of output per labor hour, an input. Productivity may be conceived of as a measure of the… …
