• Thumbnail for Tukey lambda distribution
    Formalized by John Tukey, the Tukey lambda distribution is a continuous, symmetric probability distribution defined in terms of its quantile function....
    12 KB (1,296 words) - 16:54, 4 October 2024
  • and the box plot. The Tukey range test, the Tukey lambda distribution, the Tukey test of additivity, and the Teichmüller–Tukey lemma all bear his name...
    28 KB (2,377 words) - 11:18, 24 July 2025
  • Thumbnail for Logistic distribution
    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 (1,788 words) - 17:39, 17 March 2025
  • forms, and can be fit to data using linear least squares. The Tukey lambda distribution is either supported on the whole real line, or on a bounded interval...
    22 KB (2,620 words) - 07:59, 2 May 2025
  • In statistics, Wilks' lambda distribution (named for Samuel S. Wilks), is a probability distribution used in multivariate hypothesis testing, especially...
    4 KB (635 words) - 18:11, 30 November 2024
  • Thumbnail for Shape parameter
    distribution Student's t-distribution Tukey lambda distribution Weibull distribution By contrast, the following continuous distributions do not have a shape...
    4 KB (377 words) - 21:34, 26 August 2023
  • The lambda distribution is either of two probability distributions used in statistics: Tukey's lambda distribution is a shape-conformable distribution used...
    604 bytes (97 words) - 09:06, 31 December 2016
  • Thumbnail for Exponential distribution
    an exponential distribution is f ( x ; λ ) = { λ e − λ x x ≥ 0 , 0 x < 0. {\displaystyle f(x;\lambda )={\begin{cases}\lambda e^{-\lambda x}&x\geq 0,\\0&x<0...
    47 KB (7,092 words) - 03:21, 28 July 2025
  • Thumbnail for Multivariate normal distribution
    statistics, the multivariate normal distribution, multivariate Gaussian distribution, or joint normal distribution is a generalization of the one-dimensional...
    65 KB (9,598 words) - 21:52, 1 August 2025
  • Thumbnail for Metalog distribution
    quantile-parameterized distributions, the Tukey lambda distribution, its generalization, GLD, the Govindarajulu distribution and others. The following distributions are...
    46 KB (7,310 words) - 07:42, 15 July 2025
  • Thumbnail for Beta distribution
    "U-shaped" bimodal distributions (with Beta(α, β) such that α, β ≤ 1), with the modes located at the ends of the distribution. As Mosteller and Tukey remark ( p...
    245 KB (40,559 words) - 20:35, 30 June 2025
  • Thumbnail for Variance
    }x^{2}\lambda e^{-\lambda x}\,dx\\&={\left[-x^{2}e^{-\lambda x}\right]}_{0}^{\infty }+\int _{0}^{\infty }2xe^{-\lambda x}\,dx\\&=0+{\frac {2}{\lambda }}\operatorname...
    61 KB (10,215 words) - 16:29, 24 May 2025
  • additivity – interaction in two-way anova Tukey–Duckworth test Tukey–Kramer method Tukey lambda distribution Tweedie distribution Twisting properties Two stage least...
    87 KB (8,280 words) - 18:37, 30 July 2025
  • Thumbnail for Quantile function
    expression can be found (others include the uniform, the Weibull, the Tukey lambda (which includes the logistic) and the log-logistic). When the cdf itself...
    17 KB (2,217 words) - 11:33, 12 July 2025
  • other distributions fit the data somewhat better. The Tukey lambda PPCC plot, with shape parameter λ, is particularly useful for symmetric distributions. It...
    6 KB (872 words) - 22:01, 22 September 2020
  • In statistics, Tukey's test of additivity, named for John Tukey, is an approach used in two-way ANOVA (regression analysis involving two qualitative factors)...
    5 KB (753 words) - 15:12, 22 June 2021
  • applications in quality control in manufacturing. Wilks's lambda distribution is a probability distribution related to two independent Wishart distributed variables...
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  • elliptical distribution is any member of a broad family of probability distributions that generalize the multivariate normal distribution. In the simplified...
    15 KB (1,744 words) - 02:59, 12 June 2025
  • estimate the parameters of distributions expressable in inverse form such as the Gumbel, the Tukey lambda, and the Wakeby distributions. There are two common...
    23 KB (3,127 words) - 05:07, 22 July 2025
  • Laplace distributions are extensions of the Laplace distribution and the asymmetric Laplace distribution to multiple variables. The marginal distributions of...
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  • Thumbnail for Discrete Fourier transform
    O(N log N) arithmetic operations. Due to its simplicity and speed, the Cooley–Tukey FFT algorithm, which is limited to composite sizes, is often chosen for...
    76 KB (12,334 words) - 04:38, 31 July 2025
  • calculating the estimator again with a different sample. On the right is Tukey's biweight function, which, as we will later see, is an example of what a...
    46 KB (6,376 words) - 01:05, 20 June 2025
  • tests are to be applied then the α in each test should be equal to α /n. Tukey's method is also preferable by many statisticians because it controls the...
    44 KB (6,180 words) - 14:45, 9 July 2025
  • Thumbnail for Multidimensional scaling
    largest eigenvalues λ 1 , λ 2 , . . . , λ m {\textstyle \lambda _{1},\lambda _{2},...,\lambda _{m}} and corresponding eigenvectors e 1 , e 2 , . . . ,...
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  • modeling, receiving the 1980 Nobel Economics Prize. In 1963–1964 as John Tukey of Princeton University was developing the revolutionary fast Fourier transform...
    170 KB (19,880 words) - 12:51, 17 July 2025
  • (segment of a) signal Bluestein's FFT algorithm Bruun's FFT algorithm Cooley–Tukey FFT algorithm Fast Fourier transform Prime-factor FFT algorithm Rader's...
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  • Thumbnail for Electron diffraction
    280G. doi:10.1107/S056773947400057X. ISSN 0567-7394. Cooley, James W.; Tukey, John W. (1965). "An algorithm for the machine calculation of complex Fourier...
    142 KB (15,551 words) - 06:01, 31 July 2025
  • toxicologist; scientist; first female faculty member at Harvard Medical School Ann Tukey Harrison (BA 1957, PhD 1962), professor of French language and literature...
    185 KB (24,141 words) - 18:35, 18 July 2025
  • of the commercial silicon transistor John Tukey (Sc.B. 1936, Sc. M. 1937) – co-developed the Cooley–Tukey fast Fourier transform algorithm; coined the...
    308 KB (30,859 words) - 03:38, 6 August 2025
  • systems engineering?". DesignNews. Retrieved 28 September 2020. Dodge 2003. Tukey, J. W. (1977) Exploratory Data Analysis, Addison-Wesley. ISBN 0-201-07616-0...
    251 KB (31,185 words) - 08:43, 5 August 2025