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dispersion ratio

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  • Dispersion (water waves) — This article is about dispersion of waves on a water surface. For other forms of dispersion, see Dispersion (disambiguation). In fluid dynamics, dispersion of water waves generally refers to frequency dispersion, which means that waves of… …   Wikipedia

  • Correlation ratio — In statistics, the correlation ratio is a measure of the relationship between the statistical dispersion within individual categories and the dispersion across the whole population or sample. The measure is defined as the ratio of two standard… …   Wikipedia

  • Index of dispersion — In probability theory and statistics, the index of dispersion,[1] dispersion index, coefficient of dispersion, or variance to mean ratio (VMR), like the coefficient of variation, is a normalized measure of the dispersion of a probability… …   Wikipedia

  • Statistical dispersion — In statistics, statistical dispersion (also called statistical variability or variation) is variability or spread in a variable or a probability distribution. Common examples of measures of statistical dispersion are the variance, standard… …   Wikipedia

  • Odds ratio — The odds ratio [1][2][3] is a measure of effect size, describing the strength of association or non independence between two binary data values. It is used as a descriptive statistic, and plays an important role in logistic regression. Unlike… …   Wikipedia

  • Variation ratio — The variation ratio is a simple measure of statistical dispersion in nominal distributions; it is the simplest measure of qualitative variation.It is defined as the percent of cases which are not the mode::mathbf{v} := 1 frac{f m}{N}.While a… …   Wikipedia

  • Phase dispersion minimization — (PDM) is a data analysis technique that searches for periodic components of a time series data set. It is useful for data sets with gaps, non sinusoidal variations, poor time coverage or other problems that would make Fourier techniques unusable …   Wikipedia

  • Test de dispersión de la cromatina espermática — Este artículo o sección necesita ser wikificado con un formato acorde a las convenciones de estilo. Por favor, edítalo para que las cumpla. Mientras tanto, no elimines este aviso puesto el 16 de julio de 2011. También puedes ayudar wikific …   Wikipedia Español

  • Coefficient of dispersion — In statistics, the coefficient of dispersion, also known as the Fano factor, is a measure used to quantify whether a set of observed occurrences are relatively clustered or dispersed compared to a standard statistical model. In this context, the… …   Wikipedia

  • Variance-to-mean ratio — In probability theory and statistics, the variance to mean ratio (VMR), like the coefficient of variation, is a measure of the dispersion of a probability distribution. It is defined as the ratio of the variance sigma^2 to the mean mu ::… …   Wikipedia

  • zeta sedimentation ratio — (ZSR) a measurement comparable to the erythrocyte sedimentation rate, except that it is unaffected by anemia. The packed cell volume (zetacrit) of a blood specimen is calculated by centrifuging the specimen in a Zetafuge, a specially designed… …   Medical dictionary

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