and statistics, the log-logistic distribution (known as the Fisk distribution in economics) is a continuous probability distribution for a non-negative...
19 KB (2,053 words) - 09:15, 4 October 2024
statistics, the logistic distribution is a continuous probability distribution. Its cumulative distribution function is the logistic function, which appears...
13 KB (1,789 words) - 17:39, 17 March 2025
The shifted log-logistic distribution is a probability distribution also known as the generalized log-logistic or the three-parameter log-logistic distribution...
7 KB (806 words) - 16:21, 10 June 2025
other families of distributions that have also been called generalized logistic distributions, see the shifted log-logistic distribution, which is a generalization...
19 KB (3,526 words) - 13:06, 14 December 2024
cumulative distribution function of the shifted Gompertz distribution, and the hyperbolastic function of type I. In statistics, where the logistic function...
56 KB (8,069 words) - 23:47, 14 June 2025
the Wald distribution The Lévy distribution The log-Cauchy distribution The log-Laplace distribution The log-logistic distribution The log-metalog distribution...
22 KB (2,620 words) - 07:59, 2 May 2025
distributed, then Y = logit(X)= log (X/(1-X)) is normally distributed. It is also known as the logistic normal distribution, which often refers to a multinomial...
12 KB (1,697 words) - 18:24, 20 June 2025
In statistics, multinomial logistic regression is a classification method that generalizes logistic regression to multiclass problems, i.e. with more than...
31 KB (5,225 words) - 12:07, 3 March 2025
Gompertz distribution Shifted log-logistic distribution Shifting baseline Shrinkage (statistics) Shrinkage estimator Sichel distribution Siegel–Tukey test...
87 KB (8,280 words) - 23:04, 12 March 2025
scaled and shifted square of a standard normal variable, it is distributed as a scaled and shifted chi-squared variable. The distribution of the variable...
151 KB (22,720 words) - 15:29, 20 June 2025
{\text{Beta}}(\alpha ,\beta )} , then Y = log X 1 − X {\displaystyle Y=\log {\frac {X}{1-X}}} has a generalized logistic distribution, with density σ ( y ) α σ (...
245 KB (40,562 words) - 01:54, 20 June 2025
follows a logistic distribution with location log(λ) and scale 1.0. The Lomax distribution arises as a mixture of exponential distributions where the...
7 KB (764 words) - 17:12, 25 February 2025
statistics, the multivariate normal distribution, multivariate Gaussian distribution, or joint normal distribution is a generalization of the one-dimensional...
65 KB (9,594 words) - 15:19, 3 May 2025
The logistic map is a discrete dynamical system defined by the quadratic difference equation: Equivalently it is a recurrence relation and a polynomial...
145 KB (18,842 words) - 07:07, 2 June 2025
Singh–Maddala distribution. β ′ ( 1 , 1 , γ , σ ) = LL ( γ , σ ) {\displaystyle \beta '(1,1,\gamma ,\sigma )={\textrm {LL}}(\gamma ,\sigma )} the log logistic distribution...
12 KB (1,886 words) - 20:53, 23 March 2025
Softmax function (category Logistic regression)
probability distribution of K possible outcomes. It is a generalization of the logistic function to multiple dimensions, and is used in multinomial logistic regression...
33 KB (5,279 words) - 19:53, 29 May 2025
Logarithm (redirect from Log (mathematics))
f(w) = wew, and of the logistic function, respectively. From the perspective of group theory, the identity log(cd) = log(c) + log(d) expresses a group isomorphism...
98 KB (11,674 words) - 05:46, 10 June 2025
the log-logistic distribution (i.e. the log values of the data follow a logistic distribution), the Gumbel distribution, the exponential distribution, the...
17 KB (1,911 words) - 07:45, 17 April 2025
Loss functions for classification (redirect from Logistic loss)
{\displaystyle I[f]} for the logistic loss function can be directly found from equation (1) as f Logistic ∗ = log ( η 1 − η ) = log ( p ( 1 ∣ x ) 1 − p (...
24 KB (4,212 words) - 19:04, 6 December 2024
this case the distribution is a normal distribution, otherwise the distributions are shifted and possibly reversed log-normal distributions. Parameters...
23 KB (2,774 words) - 03:24, 20 June 2025
Laplace distributions are extensions of the Laplace distribution and the asymmetric Laplace distribution to multiple variables. The marginal distributions of...
9 KB (1,093 words) - 16:24, 10 June 2025
argument set to zero is the multivariable generalization of the logistic function. Both LogSumExp and softmax are used in machine learning. Exponential linear...
23 KB (3,056 words) - 12:14, 15 June 2025
power distribution Fréchet distribution Gamma distribution Generalized extreme value distribution Log-logistic distribution Log-t distribution Inverse-gamma...
4 KB (377 words) - 21:34, 26 August 2023
Power transform (category Normal distribution)
logarithm log ( X i ) {\displaystyle \log(X_{i})} : X i log ( X i ) {\displaystyle X_{i}\log(X_{i})} This term is included in the logistic regression...
21 KB (3,007 words) - 01:22, 18 June 2025
Kumaraswamy distribution Log-logistic distribution (Fisk distribution): Let β be the shape parameter. The variance and mean of this distribution are only...
29 KB (4,425 words) - 23:47, 7 February 2025
Histogram (category Frequency distribution)
a binomial distribution and implicitly assumes an approximately normal distribution. k = ⌈ log 2 n ⌉ + 1 , {\displaystyle k=\lceil \log _{2}n\rceil...
27 KB (3,334 words) - 14:47, 21 May 2025
Central limit theorem (redirect from Central limit distribution theorem)
only positive values approaches a normal distribution, the product itself approaches a log-normal distribution. Many physical quantities (especially mass...
67 KB (9,202 words) - 03:48, 9 June 2025
{\displaystyle n} ) the model can support is 4, because log 1000 log 5 ≈ 4.29 {\displaystyle {\frac {\log 1000}{\log 5}}\approx 4.29} . Although the parameters...
37 KB (5,235 words) - 03:23, 20 June 2025
+ e − x exp ( − θ log ( 1 + e − x ) + log ( θ ) ) {\displaystyle {\frac {e^{-x}}{1+e^{-x}}}\exp(-\theta \log(1+e^{-x})+\log(\theta ))} which is...
7 KB (1,109 words) - 21:36, 14 April 2025
a chi-squared distribution ( p − n + 1 2 − m ) log Λ ( p , m , n ) ∼ χ n p 2 . {\displaystyle \left({\frac {p-n+1}{2}}-m\right)\log \Lambda (p,m,n)\sim...
4 KB (635 words) - 18:11, 30 November 2024