• statistics, a natural exponential family (NEF) is a class of probability distributions that is a special case of an exponential family (EF). The natural exponential...
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  • as for generality, as exponential families are in a sense very natural sets of distributions to consider. The term exponential class is sometimes used...
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  • distributions that represents a generalisation of the natural exponential family. Exponential dispersion models play an important role in statistical...
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  • the algorithm can be very inefficient. The Natural Exponential Family (if it exists), also known as exponential tilting, provides a class of proposal distributions...
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  • Thumbnail for Hyperbolic secant distribution
    distribution gives rise to the Meixner distribution, also known as the Natural Exponential Family - Generalised Hyperbolic Secant or NEF-GHS distribution. A random...
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  • different exponential tiltings of a random variable X {\displaystyle X} is known as the natural exponential family of X {\displaystyle X} . Exponential Tilting...
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  • Thumbnail for Exponential distribution
    In probability theory and statistics, the exponential distribution or negative exponential distribution is the probability distribution of the distance...
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  • Thumbnail for Gamma distribution
    Gamma distribution (category Exponential family distributions)
    distribution is a versatile two-parameter family of continuous probability distributions. The exponential distribution, Erlang distribution, and chi-squared...
    59 KB (8,713 words) - 07:26, 19 May 2024
  • fallback Quasi-variance Natural exponential family – class of probability distributions that is a special case of an exponential familyPages displaying wikidata...
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  • efficiency coefficient National Health Interview Survey Natural experiment Natural exponential family Natural process variation NCSS (statistical software) Nearest-neighbor...
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  • equation Exponential dispersion model Exponential distribution Exponential error Exponential factorial Exponential family Exponential field Exponential formula...
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  • Thumbnail for E (mathematical constant)
    the computation of compound interest. It is the value at 1 of the (natural) exponential function, commonly denoted e x . {\displaystyle e^{x}.} It is also...
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  • existence of second moments sufficing to imply independence.) The natural exponential family of a distribution may be realized by shifting or translating K(t)...
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  • Thumbnail for Negative binomial distribution
    Negative binomial distribution (category Exponential family distributions)
    cases of the Panjer distribution. They are also members of a natural exponential family. Suppose p is unknown and an experiment is conducted where it...
    56 KB (8,513 words) - 16:34, 8 May 2024
  • Thumbnail for Normal distribution
    Normal distribution (category Exponential family distributions)
    The family of normal distributions not only forms an exponential family (EF), but in fact forms a natural exponential family (NEF) with quadratic...
    142 KB (22,359 words) - 17:19, 5 June 2024
  • Thumbnail for Inverse Gaussian distribution
    Inverse Gaussian distribution (category Exponential family distributions)
    Gaussian distribution is a two-parameter exponential family with natural parameters −λ/(2μ2) and −λ/2, and natural statistics X and 1/X. For λ > 0 {\displaystyle...
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  • Exponential smoothing or exponential moving average (EMA) is a rule of thumb technique for smoothing time series data using the exponential window function...
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  • which this occurs are When f {\displaystyle f\,} belongs to the natural exponential family When f {\displaystyle f\,} is discrete with finite support When...
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  • are more precise and should be used. Morisita's overlap index Natural exponential family Scaling pattern of occupancy Spatial ecology Watson's power law...
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  • Thumbnail for Time complexity
    3SAT etc. take exponential time. Indeed, it is conjectured for many natural NP-complete problems that they do not have sub-exponential time algorithms...
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  • member of the exponential family with parameter θ {\displaystyle {\boldsymbol {\theta }}} that is parametrized according to the natural parameter η =...
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  • the three discrete distributions among the six members of the natural exponential family with quadratic variance functions (NEF–QVF). More general distributions...
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  • a protein, alias NEF Nef line bundle, in algebraic geometry Natural exponential family, in probability and statistics Nef (ship), French name for a three-...
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  • Thumbnail for Moving average
    the weights in the exponential moving average which follows. An exponential moving average (EMA), also known as an exponentially weighted moving average...
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  • Below is a list of episodes for the 1980s television sitcom Mama's Family. Lina. "The TV Ratings Guide: 1982-83 Ratings History -- Soap Bubbles Rise, Several...
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  • Thumbnail for Tetration
    Dave L. Renfro, Web pages for infinitely iterated exponentials Knobel, R. (1981). "Exponentials Reiterated". American Mathematical Monthly. 88 (4):...
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  • distribution The Marshall–Olkin exponential distribution The continuous-categorical distribution, an exponential family supported on the simplex that generalizes...
    22 KB (2,609 words) - 12:49, 10 February 2024
  • whose first moments exist, and such that P << Q. Consider the natural exponential family of Q given by Q θ ( A ) = ∫ A e θ x Q ( d x ) ∫ − ∞ ∞ e θ x Q...
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  • {\displaystyle D} ), then a natural transformation η {\displaystyle \eta } from F {\displaystyle F} to G {\displaystyle G} is a family of morphisms that satisfies...
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  • Statistical Science (1989–1991). Morris is best known for his work on natural exponential families with quadratic variance functions (NEF-QVF), a theory which classifies...
    3 KB (262 words) - 19:45, 13 October 2023