correlation technique

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• corrélation — [ kɔrelasjɔ̃ ] n. f. • 1718; correlacion v. 1420; bas lat. correlatio 1 ♦ Philos. Rapport entre deux phénomènes (⇒ corrélat) qui varient en fonction l un de l autre. ⇒ correspondance, interdépendance, réciprocité. ♢ Statist. Coefficient de… …   Encyclopédie Universelle

• Corrélation d'images — La corrélation d images numériques (Digital Image correlation ou DIC en anglais) est une méthode optique 2D ou 3D qui permet de mesurer les déplacements entre deux images. Elle est de plus en plus employée en sciences des matériaux pour… …   Wikipédia en Français

• Correlation dimension — In chaos theory, the correlation dimension (denoted by ν) is a measure of the dimensionality of the space occupied by a set of random points, often referred to as a type of fractal dimension.[1][2][3] For example, if we have a set of random… …   Wikipedia

• correlation — 1. The mutual or reciprocal relation of two or more items or parts. 2. The act of bringing into such a relation. 3. The degree to which variables change together. product moment c. a statistical procedure which yields the c. coefficient referred… …   Medical dictionary

• correlation — n. (in statistics) the extent to which two or more variables change together. Pairs of observations can be plotted as a series of points on a graph. The correlation coefficient measures the extent to which the points on the resulting scatter… …   The new mediacal dictionary

• Fluorescence correlation spectroscopy — (FCS) is a common technique used by physicists, chemists, and biologists to experimentally characterize the dynamics of fluorescent species (e.g. single fluorescent dye molecules in nanostructured materials, autofluorescent proteins in living… …   Wikipedia

• Digital image correlation — and Tracking (DIC/DDIT) is an optical method that employs tracking image registration techniques for accurate 2D and 3D measurements of changes in images. This is often used to measure deformation (engineering), displacement, and strain, but it… …   Wikipedia

• Probability plot correlation coefficient plot — Many statistical analyses are based on distributional assumptions about the population from which the data have been obtained. However, distributional families can have radically different shapes depending on the value of the shape parameter.… …   Wikipedia

• Polychoric correlation — In statistics, polychoric correlation is a technique for estimating the correlation between two theorised normally distributed continuous latent variables, from two observed ordinal variables. Tetrachoric correlation is a special case of the… …   Wikipedia

• Human cognitive reliability correlation — (HCR) is a technique used in the field of Human reliability Assessment (HRA), for the purposes of evaluating the probability of a human error occurring throughout the completion of a specific task. From such analyses measures can then be taken to …   Wikipedia

• Event Correlation — is a technique for making sense of a large number of events and pinpointing the few events that are really important in that mass of information. It has been notably used in Telecommunications and Industrial Process Control since the 1970s, in… …   Wikipedia