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  2. List of probability distributions - Wikipedia

    en.wikipedia.org/wiki/List_of_probability...

    The Birnbaum–Saunders distribution, also known as the fatigue life distribution, is a probability distribution used extensively in reliability applications to model failure times. The chi distribution. The noncentral chi distribution; The chi-squared distribution, which is the sum of the squares of n independent Gaussian random variables.

  3. Probability distribution - Wikipedia

    en.wikipedia.org/wiki/Probability_distribution

    In probability theory and statistics, a probability distribution is the mathematical function that gives the probabilities of occurrence of possible outcomes for an experiment. [1] [2] It is a mathematical description of a random phenomenon in terms of its sample space and the probabilities of events (subsets of the sample space). [3]

  4. Category:Types of probability distributions - Wikipedia

    en.wikipedia.org/wiki/Category:Types_of...

    Download as PDF; Printable version; In other projects ... Pages in category "Types of probability distributions" ... Degenerate distribution; Directional statistics;

  5. Rayleigh distribution - Wikipedia

    en.wikipedia.org/wiki/Rayleigh_distribution

    Download as PDF; Printable version; In other projects ... In probability theory and statistics, the Rayleigh distribution is a continuous probability distribution for ...

  6. Location–scale family - Wikipedia

    en.wikipedia.org/wiki/Location–scale_family

    In decision theory, if all alternative distributions available to a decision-maker are in the same location–scale family, and the first two moments are finite, then a two-moment decision model can apply, and decision-making can be framed in terms of the means and the variances of the distributions.

  7. Johnson's SU-distribution - Wikipedia

    en.wikipedia.org/wiki/Johnson's_SU-distribution

    Johnson distributions are also sometimes used in option pricing, so as to accommodate an observed volatility smile; see Johnson binomial tree. An alternative to the Johnson system of distributions is the quantile-parameterized distributions (QPDs). QPDs can provide greater shape flexibility than the Johnson system.

  8. Probability density function - Wikipedia

    en.wikipedia.org/wiki/Probability_density_function

    In probability theory, a probability density function (PDF), density function, or density of an absolutely continuous random variable, is a function whose value at any given sample (or point) in the sample space (the set of possible values taken by the random variable) can be interpreted as providing a relative likelihood that the value of the ...

  9. L-moment - Wikipedia

    en.wikipedia.org/wiki/L-moment

    L-moments are statistical quantities that are derived from probability weighted moments [11] (PWM) which were defined earlier (1979). [7] PWM are used to efficiently estimate the parameters of distributions expressable in inverse form such as the Gumbel, [8] the Tukey lambda, and the Wakeby distributions.