order correlation
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rank-order correlation — noun the most commonly used method of computing a correlation coefficient between the ranks of scores on two variables • Syn: ↑rank order correlation coefficient, ↑rank difference correlation coefficient, ↑rank difference correlation • Topics:… … Useful english dictionary
rank-order correlation coefficient — noun the most commonly used method of computing a correlation coefficient between the ranks of scores on two variables • Syn: ↑rank order correlation, ↑rank difference correlation coefficient, ↑rank difference correlation • Topics: ↑statistics •… … Useful english dictionary
first-order correlation — noun a partial correlation in which the effects of only one variable are removed (held constant) • Topics: ↑statistics • Hypernyms: ↑partial correlation … Useful english dictionary
Correlation attack — In cryptography, correlation attacks are a class of known plaintext attacks for breaking stream ciphers whose keystream is generated by combining the output of several linear feedback shift registers (called LFSRs for the rest of this article)… … Wikipedia
Correlation immunity — In mathematics, the correlation immunity of a Boolean function is a measure of the degree to which its outputs are uncorrelated with some subset of its inputs. Specifically, a Boolean function is said to be correlation immune of order m if every… … Wikipedia
Correlation function (disambiguation) — Correlation function may refer to: Correlation function, correlation between random variables at two different points in space or time Correlation function (quantum field theory), matrix element computed by inserting a product of operators… … Wikipedia
Order and disorder (physics) — In physics, the terms order and disorder designate the presence or absence of some symmetry or correlation in a many particle system. In condensed matter physics, systems typically are ordered at low temperatures; upon heating, they undergo one… … Wikipedia
Correlation — In probability theory and statistics, correlation, (often measured as a correlation coefficient), indicates the strength and direction of a linear relationship between two random variables. In general statistical usage, correlation or co relation … Wikipedia
Correlation function (statistical mechanics) — For other uses, see Correlation function (disambiguation). In statistical mechanics, the correlation function is a measure of the order in a system, as characterized by a mathematical correlation function, and describes how microscopic variables… … Wikipedia
Order-disorder — In quantum field theory and statistical mechanics in the thermodynamic limit, a system with a global symmetry can have more than one phase. For parameters where the symmetry is spontaneously broken, the system is said to be ordered. When the… … Wikipedia
Order (mathematics) — Contents 1 In algebra 2 In arithmetic 3 In analysis 4 … Wikipedia
