Sometimes, a value of a Gaussian random function deviates from its expected value by several standard deviations. This is a large deviation. Though rare in...
5 KB (769 words) - 07:44, 26 January 2018
peak, and c (the standard deviation, sometimes called the Gaussian RMS width) controls the width of the "bell". Gaussian functions are often used to represent...
30 KB (5,023 words) - 17:40, 4 April 2025
Brownian motion Varadhan's lemma Extreme value theory Large deviations of Gaussian random functions S.R.S. Varadhan, Asymptotic probability and differential...
17 KB (2,633 words) - 04:33, 12 May 2025
many) random variables, and as such, it is a distribution over functions with a continuous domain, e.g. time or space. The concept of Gaussian processes...
44 KB (5,929 words) - 11:10, 3 April 2025
Copula (statistics) (redirect from Gaussian copula function)
the limitations of the Gaussian copula and of copula functions more generally, specifically the lack of dependence dynamics. The Gaussian copula is lacking...
75 KB (9,347 words) - 09:59, 15 June 2025
Large deviations of Gaussian random functions / Gau Rate function Schilder's theorem / Gau Tilted large deviation principle Varadhan's lemma Random graph...
35 KB (3,026 words) - 12:15, 30 October 2023
Gauss–Markov process Gaussian process Gaussian random field Gaussian isoperimetric inequality Large deviations of Gaussian random functions Girsanov's theorem...
11 KB (1,000 words) - 14:07, 2 May 2024
{E[S_{n}^{2}]}}=\sigma {\sqrt {n}}.} But for the Gaussian random walk, this is just the standard deviation of the translation distance's distribution after...
56 KB (7,703 words) - 20:27, 29 May 2025
statistics, for non-negative real values of x, the error function has the following interpretation: for a real random variable Y that is normally distributed...
47 KB (7,328 words) - 08:39, 27 April 2025
Normal distribution (redirect from Gaussian random variable)
distribution or Gaussian distribution is a type of continuous probability distribution for a real-valued random variable. The general form of its probability...
151 KB (22,720 words) - 14:33, 14 June 2025
the tails of a Gaussian. This property gives subgaussian distributions their name. Often in analysis, we divide an object (such as a random variable)...
37 KB (7,383 words) - 23:53, 26 May 2025
In statistics, a Gaussian random field (GRF) is a random field involving Gaussian probability density functions of the variables. A one-dimensional GRF...
2 KB (262 words) - 15:31, 16 March 2025
Laplace principle (large deviations theory) LaplacesDemon – software Large deviations theory Large deviations of Gaussian random functions LARS – see least-angle...
87 KB (8,280 words) - 23:04, 12 March 2025
the law of large numbers is a mathematical law that states that the average of the results obtained from a large number of independent random samples...
45 KB (6,384 words) - 15:12, 17 June 2025
generally unique, apart from the Gaussian case, and there may be alternatives. The distribution of the product of a random variable having a uniform distribution...
41 KB (8,987 words) - 22:06, 16 June 2025
a Gaussian random polytope. A similar result holds for the number of vertices (of the Gaussian polytope), the number of edges, and in fact, faces of all...
67 KB (9,202 words) - 03:48, 9 June 2025
Stochastic process (redirect from Theory of random functions)
various categories, which include random walks, martingales, Markov processes, Lévy processes, Gaussian processes, random fields, renewal processes, and...
168 KB (18,657 words) - 20:31, 17 May 2025
Mean squared error (redirect from Mean squared deviation)
sample of values of some random variable), or of an estimator (i.e., a mathematical function mapping a sample of data to an estimate of a parameter of the...
24 KB (3,861 words) - 12:45, 11 May 2025
Standard error (redirect from Standard error of the mean)
the standard deviation of the Student t-distribution. T-distributions are slightly different from Gaussian, and vary depending on the size of the sample...
20 KB (2,781 words) - 03:46, 4 May 2025
K-means clustering (redirect from Applications of k-means clustering)
algorithm for mixtures of Gaussian distributions via an iterative refinement approach employed by both k-means and Gaussian mixture modeling. They both...
62 KB (7,754 words) - 11:44, 13 March 2025
Poisson distribution (redirect from Poisson law of large numbers)
large values of λ include rejection sampling and using Gaussian approximation. Inverse transform sampling is simple and efficient for small values of...
81 KB (11,215 words) - 08:39, 14 May 2025
Exponential distribution (redirect from Exponential random variable)
weighted sum of exponential densities. Hypoexponential distribution – the distribution of a general sum of exponential random variables. exGaussian distribution...
43 KB (6,647 words) - 17:34, 15 April 2025
Chi-squared distribution (redirect from Chi-squared random variable)
is obtained as the sum of the squares of k independent, zero-mean, unit-variance Gaussian random variables. Generalizations of this distribution can be...
45 KB (6,817 words) - 10:25, 19 March 2025
probability that a normal (Gaussian) random variable will obtain a value larger than x {\displaystyle x} standard deviations. Equivalently, Q ( x ) {\displaystyle...
20 KB (2,964 words) - 18:40, 13 March 2025
Student's t-distribution (redirect from Student's t probability density function)
t distributions for functions. A Student's t process is constructed from the Student t distributions like a Gaussian process is constructed from the Gaussian distributions...
55 KB (6,423 words) - 06:46, 1 June 2025
Pearson correlation coefficient (redirect from Pearson's coefficient of correlation)
correlation between two sets of data. It is the ratio between the covariance of two variables and the product of their standard deviations; thus, it is essentially...
58 KB (8,398 words) - 20:34, 9 June 2025
characteristic function of a particular distribution. Characteristic functions are particularly useful for dealing with linear functions of independent random variables...
38 KB (5,208 words) - 13:53, 16 April 2025
Tracy–Widom distribution (redirect from Tracy-Widom random variable)
denote the rate function governing the large deviations of the largest eigenvalue λ max {\displaystyle \lambda _{\max }} . For a Gaussian unitary ensemble...
32 KB (4,821 words) - 14:18, 12 April 2025
the sum of the squares of n independent Gaussian random variables. It is a special case of the Gamma distribution, and it is used in goodness-of-fit tests...
22 KB (2,620 words) - 07:59, 2 May 2025
causal or not, between two random variables or bivariate data. Although in the broadest sense, "correlation" may indicate any type of association, in statistics...
39 KB (5,359 words) - 04:50, 11 June 2025