Logo
Unionpedia
Communication
Get it on Google Play
New! Download Unionpedia on your Android™ device!
Free
Faster access than browser!
 

Nonparametric statistics

Index Nonparametric statistics

Nonparametric statistics is the branch of statistics that is not based solely on parameterized families of probability distributions (common examples of parameters are the mean and variance). [1]

65 relations: Analysis of similarities, Anderson–Darling test, Bootstrapping (statistics), CDF-based nonparametric confidence interval, Cochran's Q test, Cohen's kappa, Data envelopment analysis, Descriptive statistics, Dirichlet process, Edward Arnold (publisher), Edward Wright (mathematician), Friedman test, Histogram, Human sex ratio, Information field theory, Jean D. Gibbons, John Arbuthnot, K-nearest neighbors algorithm, Kaplan–Meier estimator, Kendall rank correlation coefficient, Kendall's W, Kernel (statistics), Kernel density estimation, Kolmogorov–Smirnov test, Kruskal–Wallis one-way analysis of variance, Kuiper's test, Larry A. Wasserman, Latent variable, Level of measurement, Logrank test, Mann–Whitney U test, McNemar's test, Median, Median test, Multivariate analysis, Nonparametric regression, Number, Order statistic, Ordinal data, Parameter, Parametric statistics, Parametrization, Power (statistics), Preference, Probability distribution, Rank product, Ranking, Resampling (statistics), Robust statistics, Semiparametric regression, ..., Siegel–Tukey test, Sign test, Spearman's rank correlation coefficient, Spline (mathematics), Squared ranks test, Statistic, Statistical hypothesis testing, Statistical inference, Statistical model, Statistics, Support vector machine, Tukey–Duckworth test, Wald–Wolfowitz runs test, Wavelet, Wilcoxon signed-rank test. Expand index (15 more) »

Analysis of similarities

Analysis of similarities (ANOSIM) is a non-parametric statistical test widely used in the field of ecology.

New!!: Nonparametric statistics and Analysis of similarities · See more »

Anderson–Darling test

The Anderson–Darling test is a statistical test of whether a given sample of data is drawn from a given probability distribution.

New!!: Nonparametric statistics and Anderson–Darling test · See more »

Bootstrapping (statistics)

In statistics, bootstrapping is any test or metric that relies on random sampling with replacement.

New!!: Nonparametric statistics and Bootstrapping (statistics) · See more »

CDF-based nonparametric confidence interval

In statistics, cumulative distribution function (CDF)-based nonparametric confidence intervals are a general class of confidence intervals around statistical functionals of a distribution.

New!!: Nonparametric statistics and CDF-based nonparametric confidence interval · See more »

Cochran's Q test

In statistics, in the analysis of two-way randomized block designs where the response variable can take only two possible outcomes (coded as 0 and 1), Cochran's Q test is a non-parametric statistical test to verify whether k treatments have identical effects.

New!!: Nonparametric statistics and Cochran's Q test · See more »

Cohen's kappa

Cohen's kappa coefficient (κ) is a statistic which measures inter-rater agreement for qualitative (categorical) items.

New!!: Nonparametric statistics and Cohen's kappa · See more »

Data envelopment analysis

Data envelopment analysis (DEA) is a nonparametric method in operations research and economics for the estimation of production frontiers.

New!!: Nonparametric statistics and Data envelopment analysis · See more »

Descriptive statistics

A descriptive statistic (in the count noun sense) is a summary statistic that quantitatively describes or summarizes features of a collection of information, while descriptive statistics in the mass noun sense is the process of using and analyzing those statistics.

New!!: Nonparametric statistics and Descriptive statistics · See more »

Dirichlet process

In probability theory, Dirichlet processes (after Peter Gustav Lejeune Dirichlet) are a family of stochastic processes whose realizations are probability distributions.

New!!: Nonparametric statistics and Dirichlet process · See more »

Edward Arnold (publisher)

Edward Arnold Publishers Ltd was a British publishing house with its head office in London.

New!!: Nonparametric statistics and Edward Arnold (publisher) · See more »

Edward Wright (mathematician)

Edward Wright (baptised 8 October 1561; died November 1615) was an English mathematician and cartographer noted for his book Certaine Errors in Navigation (1599; 2nd ed., 1610), which for the first time explained the mathematical basis of the Mercator projection, and set out a reference table giving the linear scale multiplication factor as a function of latitude, calculated for each minute of arc up to a latitude of 75°.

New!!: Nonparametric statistics and Edward Wright (mathematician) · See more »

Friedman test

The Friedman test is a non-parametric statistical test developed by Milton Friedman.

New!!: Nonparametric statistics and Friedman test · See more »

Histogram

A histogram is an accurate representation of the distribution of numerical data.

New!!: Nonparametric statistics and Histogram · See more »

Human sex ratio

In anthropology and demography, the human sex ratio is the ratio of males to females in a population.

New!!: Nonparametric statistics and Human sex ratio · See more »

Information field theory

Information field theory (IFT) is a Bayesian statistical field theory relating to signal reconstruction, cosmography, and other related areas.

New!!: Nonparametric statistics and Information field theory · See more »

Jean D. Gibbons

Jean Dickinson Gibbons (née Dickinson, born 1938) is an American statistician, an expert in nonparametric statistics and an author of books on statistics.

New!!: Nonparametric statistics and Jean D. Gibbons · See more »

John Arbuthnot

John Arbuthnot (baptised 29 April 1667 – 27 February 1735), often known simply as Dr Arbuthnot, was a Scottish physician, satirist and polymath in London.

New!!: Nonparametric statistics and John Arbuthnot · See more »

K-nearest neighbors algorithm

In pattern recognition, the k-nearest neighbors algorithm (k-NN) is a non-parametric method used for classification and regression.

New!!: Nonparametric statistics and K-nearest neighbors algorithm · See more »

Kaplan–Meier estimator

The Kaplan–Meier estimator, also known as the product limit estimator, is a non-parametric statistic used to estimate the survival function from lifetime data.

New!!: Nonparametric statistics and Kaplan–Meier estimator · See more »

Kendall rank correlation coefficient

In statistics, the Kendall rank correlation coefficient, commonly referred to as Kendall's tau coefficient (after the Greek letter τ), is a statistic used to measure the ordinal association between two measured quantities.

New!!: Nonparametric statistics and Kendall rank correlation coefficient · See more »

Kendall's W

Kendall's W (also known as Kendall's coefficient of concordance) is a non-parametric statistic.

New!!: Nonparametric statistics and Kendall's W · See more »

Kernel (statistics)

The term kernel is a term in statistical analysis used to refer to a window function.

New!!: Nonparametric statistics and Kernel (statistics) · See more »

Kernel density estimation

In statistics, kernel density estimation (KDE) is a non-parametric way to estimate the probability density function of a random variable.

New!!: Nonparametric statistics and Kernel density estimation · See more »

Kolmogorov–Smirnov test

In statistics, the Kolmogorov–Smirnov test (K–S test or KS test) is a nonparametric test of the equality of continuous, one-dimensional probability distributions that can be used to compare a sample with a reference probability distribution (one-sample K–S test), or to compare two samples (two-sample K–S test).

New!!: Nonparametric statistics and Kolmogorov–Smirnov test · See more »

Kruskal–Wallis one-way analysis of variance

The Kruskal–Wallis test by ranks, Kruskal–Wallis H test, Laerd Statistics (named after William Kruskal and W. Allen Wallis), or one-way ANOVA on ranks is a non-parametric method for testing whether samples originate from the same distribution.

New!!: Nonparametric statistics and Kruskal–Wallis one-way analysis of variance · See more »

Kuiper's test

Kuiper's test is used in statistics to test that whether a given distribution, or family of distributions, is contradicted by evidence from a sample of data.

New!!: Nonparametric statistics and Kuiper's test · See more »

Larry A. Wasserman

Larry A. Wasserman is a Canadian statistician and a professor in the Department of Statistics and the Machine Learning Department at Carnegie Mellon University.

New!!: Nonparametric statistics and Larry A. Wasserman · See more »

Latent variable

In statistics, latent variables (from Latin: present participle of lateo (“lie hidden”), as opposed to observable variables), are variables that are not directly observed but are rather inferred (through a mathematical model) from other variables that are observed (directly measured).

New!!: Nonparametric statistics and Latent variable · See more »

Level of measurement

Level of measurement or scale of measure is a classification that describes the nature of information within the values assigned to variables.

New!!: Nonparametric statistics and Level of measurement · See more »

Logrank test

In statistics, the logrank test is a hypothesis test to compare the survival distributions of two samples.

New!!: Nonparametric statistics and Logrank test · See more »

Mann–Whitney U test

In statistics, the Mann–Whitney U test (also called the Mann–Whitney–Wilcoxon (MWW), Wilcoxon rank-sum test, or Wilcoxon–Mann–Whitney test) is a nonparametric test of the null hypothesis that it is equally likely that a randomly selected value from one sample will be less than or greater than a randomly selected value from a second sample.

New!!: Nonparametric statistics and Mann–Whitney U test · See more »

McNemar's test

In statistics, McNemar's test is a statistical test used on paired nominal data.

New!!: Nonparametric statistics and McNemar's test · See more »

Median

The median is the value separating the higher half of a data sample, a population, or a probability distribution, from the lower half.

New!!: Nonparametric statistics and Median · See more »

Median test

In statistics, Mood's median test is a special case of Pearson's chi-squared test.

New!!: Nonparametric statistics and Median test · See more »

Multivariate analysis

Multivariate analysis (MVA) is based on the statistical principle of multivariate statistics, which involves observation and analysis of more than one statistical outcome variable at a time.

New!!: Nonparametric statistics and Multivariate analysis · See more »

Nonparametric regression

Nonparametric regression is a category of regression analysis in which the predictor does not take a predetermined form but is constructed according to information derived from the data.

New!!: Nonparametric statistics and Nonparametric regression · See more »

Number

A number is a mathematical object used to count, measure and also label.

New!!: Nonparametric statistics and Number · See more »

Order statistic

In statistics, the kth order statistic of a statistical sample is equal to its kth-smallest value.

New!!: Nonparametric statistics and Order statistic · See more »

Ordinal data

Ordinal data is a categorical, statistical data type where the variables have natural, ordered categories and the distances between the categories is not known.

New!!: Nonparametric statistics and Ordinal data · See more »

Parameter

A parameter (from the Ancient Greek παρά, para: "beside", "subsidiary"; and μέτρον, metron: "measure"), generally, is any characteristic that can help in defining or classifying a particular system (meaning an event, project, object, situation, etc.). That is, a parameter is an element of a system that is useful, or critical, when identifying the system, or when evaluating its performance, status, condition, etc.

New!!: Nonparametric statistics and Parameter · See more »

Parametric statistics

Parametric statistics is a branch of statistics which assumes that sample data comes from a population that follows a probability distribution based on a fixed set of parameters.

New!!: Nonparametric statistics and Parametric statistics · See more »

Parametrization

Parametrization (or parameterization; also parameterisation, parametrisation) is the process of finding parametric equations of a curve, a surface, or, more generally, a manifold or a variety, defined by an implicit equation.

New!!: Nonparametric statistics and Parametrization · See more »

Power (statistics)

The power of a binary hypothesis test is the probability that the test correctly rejects the null hypothesis (H0) when a specific alternative hypothesis (H1) is true.

New!!: Nonparametric statistics and Power (statistics) · See more »

Preference

A preference is a technical term in psychology, economics and philosophy usually used in relation to choosing between alternatives; someone has a preference for A over B if they would choose A rather than B.

New!!: Nonparametric statistics and Preference · See more »

Probability distribution

In probability theory and statistics, a probability distribution is a mathematical function that provides the probabilities of occurrence of different possible outcomes in an experiment.

New!!: Nonparametric statistics and Probability distribution · See more »

Rank product

The rank product is a biologically motivated test for the detection of differentially expressed genes in replicated microarray experiments.

New!!: Nonparametric statistics and Rank product · See more »

Ranking

A ranking is a relationship between a set of items such that, for any two items, the first is either 'ranked higher than', 'ranked lower than' or 'ranked equal to' the second.

New!!: Nonparametric statistics and Ranking · See more »

Resampling (statistics)

In statistics, resampling is any of a variety of methods for doing one of the following.

New!!: Nonparametric statistics and Resampling (statistics) · See more »

Robust statistics

Robust statistics are statistics with good performance for data drawn from a wide range of probability distributions, especially for distributions that are not normal.

New!!: Nonparametric statistics and Robust statistics · See more »

Semiparametric regression

In statistics, semiparametric regression includes regression models that combine parametric and nonparametric models.

New!!: Nonparametric statistics and Semiparametric regression · See more »

Siegel–Tukey test

In statistics, the Siegel–Tukey test, named after Sidney Siegel and John Tukey, is a non-parametric test which may be applied to data measured at least on an ordinal scale.

New!!: Nonparametric statistics and Siegel–Tukey test · See more »

Sign test

The sign test is a statistical method to test for consistent differences between pairs of observations, such as the weight of subjects before and after treatment.

New!!: Nonparametric statistics and Sign test · See more »

Spearman's rank correlation coefficient

In statistics, Spearman's rank correlation coefficient or Spearman's rho, named after Charles Spearman and often denoted by the Greek letter \rho (rho) or as r_s, is a nonparametric measure of rank correlation (statistical dependence between the rankings of two variables).

New!!: Nonparametric statistics and Spearman's rank correlation coefficient · See more »

Spline (mathematics)

In mathematics, a spline is a function defined piecewise by polynomials.

New!!: Nonparametric statistics and Spline (mathematics) · See more »

Squared ranks test

In statistics, the Conover squared ranks test is a non-parametric version of the parametric Levene's test for equality of variance.

New!!: Nonparametric statistics and Squared ranks test · See more »

Statistic

A statistic (singular) or sample statistic is a single measure of some attribute of a sample (e.g. its arithmetic mean value).

New!!: Nonparametric statistics and Statistic · See more »

Statistical hypothesis testing

A statistical hypothesis, sometimes called confirmatory data analysis, is a hypothesis that is testable on the basis of observing a process that is modeled via a set of random variables.

New!!: Nonparametric statistics and Statistical hypothesis testing · See more »

Statistical inference

Statistical inference is the process of using data analysis to deduce properties of an underlying probability distribution.

New!!: Nonparametric statistics and Statistical inference · See more »

Statistical model

A statistical model is a mathematical model that embodies a set of statistical assumptions concerning the generation of some sample data and similar data from a larger population.

New!!: Nonparametric statistics and Statistical model · See more »

Statistics

Statistics is a branch of mathematics dealing with the collection, analysis, interpretation, presentation, and organization of data.

New!!: Nonparametric statistics and Statistics · See more »

Support vector machine

In machine learning, support vector machines (SVMs, also support vector networks) are supervised learning models with associated learning algorithms that analyze data used for classification and regression analysis.

New!!: Nonparametric statistics and Support vector machine · See more »

Tukey–Duckworth test

In statistics, the Tukey–Duckworth test is a two-sample location test – a statistical test of whether one of two samples was significantly greater than the other.

New!!: Nonparametric statistics and Tukey–Duckworth test · See more »

Wald–Wolfowitz runs test

The Wald–Wolfowitz runs test (or simply runs test), named after Abraham Wald and Jacob Wolfowitz, both of whom are well known staticians.

New!!: Nonparametric statistics and Wald–Wolfowitz runs test · See more »

Wavelet

A wavelet is a wave-like oscillation with an amplitude that begins at zero, increases, and then decreases back to zero.

New!!: Nonparametric statistics and Wavelet · See more »

Wilcoxon signed-rank test

The Wilcoxon signed-rank test is a non-parametric statistical hypothesis test used to compare two related samples, matched samples, or repeated measurements on a single sample to assess whether their population mean ranks differ (i.e. it is a paired difference test).

New!!: Nonparametric statistics and Wilcoxon signed-rank test · See more »

Redirects here:

Distribution-free, Distribution-free method, Distribution-free methods, Distribution-free model, Distribution-free test, Ideal free distribution theory, Non-parametric, Non-parametric estimation, Non-parametric method, Non-parametric methods, Non-parametric model, Non-parametric models, Non-parametric statistic, Non-parametric statistical methods, Non-parametric statistical tests, Non-parametric statistics, Non-parametric test, Non-parametrics, Nonparametric, Nonparametric analysis, Nonparametric estimation, Nonparametric estimator, Nonparametric inference, Nonparametric models, Nonparametric test, Nonparametrics, Semi-nonparametric.

References

[1] https://en.wikipedia.org/wiki/Nonparametric_statistics

OutgoingIncoming
Hey! We are on Facebook now! »