unweighted mean

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• Mean square weighted deviation — is used extensively in geochronology, the science of obtaining information about the time of formation of, for example, rocks, minerals, bones, corals, or charcoal, or the time at which particular processes took place in a rock mass, for example… …   Wikipedia

• Mean — This article is about the statistical concept. For other uses, see Mean (disambiguation). In statistics, mean has two related meanings: the arithmetic mean (and is distinguished from the geometric mean or harmonic mean). the expected value of a… …   Wikipedia

• unweighted — “+ adjective Etymology: un (I) + weighted, past participle of weight 1. : not encumbered : unburdened to change … direction the unweighted ski is turned George Gallowhur plots … unweighted by great profundity of thought …   Useful english dictionary

• Unweighted Pair Group Method with Arithmetic mean — (kurz UPGMA) bezeichnet eine Bottom Up Clustering Methode. Sie wird oft in der Bioinformatik zur Rekonstruktion phylogenetischer Bäume angewendet. Im Gegensatz zu anderen Verfahren wie Neighbour Joining basiert UPGMA auf der Annahme der… …   Deutsch Wikipedia

• Unweighted Pair Group Method — with Arithmetic mean (kurz UPGMA) bezeichnet eine Bottom Up Clustering Methode. Sie wird oft in der Bioinformatik zur Rekonstruktion phylogenetischer Bäume angewendet. Im Gegensatz zu anderen Verfahren wie Neighbour Joining basiert UPGMA auf der… …   Deutsch Wikipedia

• Unweighted Pair Group Method with Arithmetic Mean — UPGMA (Unweighted Pair Group Method with Arithmetic mean) est le nom d un algorithme destiné à la construction d un arbre phylogénétique. Cette méthode permet la transformation d une matrice de distances (entre différents organismes, populations …   Wikipédia en Français

• Weighted mean — The weighted mean is similar to an arithmetic mean (the most common type of average), where instead of each of the data points contributing equally to the final average, some data points contribute more than others. The notion of weighted mean… …   Wikipedia

• Generalized mean — In mathematics, a generalized mean, also known as power mean or Hölder mean (named after Otto Hölder), is an abstraction of the Pythagorean means including arithmetic, geometric, and harmonic means. Contents 1 Definition 2 Properties 2.1 …   Wikipedia

• Weight function — A weight function is a mathematical device used when performing a sum, integral, or average in order to give some elements more weight or influence on the result than other elements in the same set. They occur frequently in statistics and… …   Wikipedia

• Moving average — For other uses, see Moving average (disambiguation). In statistics, a moving average, also called rolling average, rolling mean or running average, is a type of finite impulse response filter used to analyze a set of data points by creating a… …   Wikipedia

• Consensus forecast — In a number of sciences, ranging from econometrics to meteorology, consensus forecasts are predictions of the future that are created by combining together several separate forecasts which have often been created using different methodologies.… …   Wikipedia