A group of statistical maneuvers that can be applied effectively to data nonnormal or non-Gaussian in distribution.

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non·para·met·ric (non″par-ə-metґrik) denoting statistical methods or tests requiring neither parameters nor distributional assumptions.

Medical dictionary. 2011.

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  • nonparametric — adjective Date: 1942 not involving the estimation of parameters of a statistical function < nonparametric statistical tests > …   New Collegiate Dictionary

  • nonparametric — adjective not involving an estimation of the parameters of a statistic • Pertains to noun: ↑nonparametric statistic • Topics: ↑statistics …   Useful english dictionary

  • nonparametric — /non par euh me trik/, adj. Statistics. (of a test or method) not requiring assertions about parameters or about the form of the underlying distribution. [1940 45; NON + PARAMETRIC] * * * …   Universalium

  • nonparametric — adjective a) Having a flexible number or nature of parameters which are not fixed in advance. b) Free of assumptions about the frequency distributions of the variables being assessed. Syn: distribution free …   Wiktionary

  • nonparametric — non·parametric …   English syllables

  • Nonparametric regression — is a form of regression analysis in which the predictor does not take a predetermined form but is constructed according to information derived from the data. Nonparametric regression requires larger sample sizes than regression based on… …   Wikipedia

  • Nonparametric Statistics — A statistical method wherein the data is not required to fit a normal distribution. Nonparametric statistics uses data that is often ordinal, meaning it does not rely on numbers, but rather a ranking or order of sorts. For example, a survey… …   Investment dictionary

  • nonparametric test — a statistical test using nonparametric statistics, such as the rank sum test or signed rank test; nonparametric tests are often less powerful than parametric tests but are valid in cases where parametric tests are not …   Medical dictionary

  • Nonparametric Method — A method commonly used in statistics to model and analyze ordinal or nominal data with small sample sizes. Unlike parametric models, nonparametric models do not require the modeler to make any assumptions about the distribution of the population …   Investment dictionary

  • nonparametric statistics — a statistical methodology that can be used on data without making the assumption that the data are drawn from a population with a normal or other specified distribution. See also under test …   Medical dictionary

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