• Thumbnail for Log-normal distribution
    In probability theory, a log-normal (or lognormal) distribution is a continuous probability distribution of a random variable whose logarithm is normally...
    90 KB (12,551 words) - 04:27, 2 May 2025
  • Thumbnail for Normal distribution
    probability theory and statistics, a normal distribution or Gaussian distribution is a type of continuous probability distribution for a real-valued random variable...
    148 KB (22,622 words) - 23:02, 9 May 2025
  • Thumbnail for Log-logistic distribution
    similar in shape to the log-normal distribution but has heavier tails. Unlike the log-normal, its cumulative distribution function can be written in closed...
    19 KB (2,053 words) - 09:15, 4 October 2024
  • In probability theory, a log-t distribution or log-Student t distribution is a probability distribution of a random variable whose logarithm is distributed...
    8 KB (825 words) - 03:01, 3 December 2023
  • Thumbnail for Logit-normal distribution
    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 (1,702 words) - 02:03, 18 November 2024
  • Thumbnail for Log–log plot
    k log ⁡ x + log ⁡ a . {\displaystyle \log y=k\log x+\log a.} Setting X = log ⁡ x {\displaystyle X=\log x} and Y = log ⁡ y , {\displaystyle Y=\log y,}...
    16 KB (2,704 words) - 22:36, 25 November 2024
  • generalized normal distribution (GND) or generalized Gaussian distribution (GGD) is either of two families of parametric continuous probability distributions on...
    23 KB (2,767 words) - 09:48, 6 March 2025
  • Reference range (redirect from Normal range)
    establishing reference ranges can be based on assuming a normal distribution or a log-normal distribution, or directly from percentages of interest, as detailed...
    38 KB (5,294 words) - 18:36, 30 July 2024
  • Thumbnail for Skew normal distribution
    and statistics, the skew normal distribution is a continuous probability distribution that generalises the normal distribution to allow for non-zero skewness...
    11 KB (1,365 words) - 16:27, 19 July 2024
  • Thumbnail for Half-normal distribution
    the half-normal distribution is a special case of the folded normal distribution. Let X {\displaystyle X} follow an ordinary normal distribution, N ( 0...
    9 KB (1,160 words) - 17:27, 17 March 2025
  • Thumbnail for Multivariate normal distribution
    normal distribution, multivariate Gaussian distribution, or joint normal distribution is a generalization of the one-dimensional (univariate) normal distribution...
    65 KB (9,594 words) - 15:19, 3 May 2025
  • measure of log-normal dispersion analogously to the geometric mean. As the log-transform of a log-normal distribution results in a normal distribution, we see...
    4 KB (710 words) - 03:07, 9 April 2024
  • least squares, and subsumes the log-logistic distribution as a special case. The log-normal distribution, describing variables which can be modelled as...
    22 KB (2,620 words) - 07:59, 2 May 2025
  • Thumbnail for Particle-size distribution
    λ: Gas mean free path (cm) D50: Mass-median-diameter (MMD). The log-normal distribution mass median diameter. The MMD is considered to be the average particle...
    24 KB (3,290 words) - 19:58, 22 April 2025
  • Thumbnail for Folded normal distribution
    The folded normal distribution is a probability distribution related to the normal distribution. Given a normally distributed random variable X with mean...
    18 KB (3,424 words) - 02:55, 1 August 2024
  • log-concave distributions is also log-concave. However, some non-log-concave distributions also have log-concave CDF's: the log-normal distribution, the Pareto...
    10 KB (1,316 words) - 08:14, 4 April 2025
  • may have Gaussian distribution with σ {\displaystyle \sigma } standard deviation in decibels, resulting in a log-normal distribution of the received power...
    6 KB (762 words) - 15:02, 16 March 2025
  • use, and includes all distributions encompassed by the alternative definitions, as well as those distributions such as log-normal that possess all their...
    19 KB (2,705 words) - 14:30, 22 July 2024
  • Thumbnail for Gamma distribution
    such as the variance of a normal distribution. If α is a positive integer, then the distribution represents an Erlang distribution; i.e., the sum of α independent...
    66 KB (9,097 words) - 21:22, 6 May 2025
  • the same convention as for the log-normal distribution, type IV may be referred to as the logistic-beta distribution, with reference to the standard...
    19 KB (3,526 words) - 13:06, 14 December 2024
  • Thumbnail for Logarithm
    Logarithm (redirect from Log (mathematics))
    log-normal distributions. When the logarithm of a random variable has a normal distribution, the variable is said to have a log-normal distribution....
    98 KB (11,674 words) - 16:13, 4 May 2025
  • Thumbnail for Pareto distribution
    {\text{Pareto}}(x_{\text{m}},\alpha )} . The Pareto distribution and log-normal distribution are alternative distributions for describing the same types of quantities...
    47 KB (6,027 words) - 22:29, 18 April 2025
  • {\displaystyle X_{2}} can be individually log-normally distributed without having a bivariate log-normal distribution. As of 2022-06-08 the Wikipedia article...
    53 KB (10,468 words) - 04:59, 2 March 2025
  • Thumbnail for Logistic distribution
    the normal distribution in shape but has heavier tails (higher kurtosis). The logistic distribution is a special case of the Tukey lambda distribution. The...
    13 KB (1,789 words) - 17:39, 17 March 2025
  • approximately log-normal distribution. In such cases, a more accurate estimate, derived from the properties of the log-normal distribution, is defined as:...
    30 KB (4,017 words) - 13:36, 17 April 2025
  • Thumbnail for Benford's law
    the law. The ratio of two log normal distributions is a log normal so this distribution was not examined. Other distributions that have been examined include...
    65 KB (7,471 words) - 20:30, 9 May 2025
  • the log-normal distribution. In isolation, the upper tail (less than 1,000 out of 24,000 cities) fits both the log-normal and the Pareto distribution: the...
    7 KB (860 words) - 22:25, 19 April 2025
  • Thumbnail for Relationships among probability distributions
    same family of distribution as X and Y: Bernoulli distribution and log-normal distribution. Example: If X1 and X2 are independent log-normal random variables...
    21 KB (2,382 words) - 20:22, 5 May 2025
  • Thumbnail for Exponential distribution
    exponential distribution as one of its members, but also includes many other distributions, like the normal, binomial, gamma, and Poisson distributions. The...
    43 KB (6,647 words) - 17:34, 15 April 2025
  • Thumbnail for Inverse-gamma distribution
    distribution arises as the marginal posterior distribution for the unknown variance of a normal distribution, if an uninformative prior is used, and as an...
    11 KB (1,633 words) - 15:49, 11 October 2024