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• Probability distribution function — Depending upon which text you consult, a probability distribution function is either: * a cumulative distribution function, or * a probability density function …   Wikipedia

• probability distribution function — tikimybės pasiskirstymo funkcija statusas T sritis automatika atitikmenys: angl. probability distribution function vok. Wahrscheinlichkeitsverteilung, f rus. функция распределения вероятности, f pranc. fonction de répartition de probabilité, f …   Automatikos terminų žodynas

• Probability density function — Boxplot and probability density function of a normal distribution N(0, σ2). In probability theory, a probability density function (pdf), or density of a continuous random variable is a function that describes the relative likelihood for this… …   Wikipedia

• Probability distribution — This article is about probability distribution. For generalized functions in mathematical analysis, see Distribution (mathematics). For other uses, see Distribution (disambiguation). In probability theory, a probability mass, probability density …   Wikipedia

• Probability mass function — In probability theory, a probability mass function (abbreviated pmf) is a function that gives the probability that a discrete random variable is exactly equal to some value. A pmf differs from a probability density function (abbreviated pdf) in… …   Wikipedia

• probability density function — in statistics, a mathematical function that describes the distribution of measurements for a population; a curve that describes a population. Its integral is the cumulative distribution function, so the probability that an individual measurement… …   Medical dictionary

• Empirical distribution function — In statistics, an empirical distribution function is a cumulative probability distribution function that concentrates probability 1/ n at each of the n numbers in a sample.Let X 1,ldots,X n be iid random variables in mathbb{R} with the cdf F ( x… …   Wikipedia

• distribution function — Statistics. (of any random variable) the function that assigns to each number the probability that the random variable takes a value less than or equal to the given number. [1905 10] * * * ▪ mathematics       mathematical expression that… …   Universalium

• Distribution function — This article describes the distribution function as used in physics. You may be looking for the related mathematical concepts of cumulative distribution function or probability density function. In molecular kinetic theory in physics, a particle… …   Wikipedia

• Probability Distribution — A statistical function that describes all the possible values and likelihoods that a random variable can take within a given range. This range will be between the minimum and maximum statistically possible values, but where the possible value is… …   Investment dictionary

• Probability Density Function - PDF — A statistical measure that defines a probability distribution for a random variable and is often denoted as f(x). When the PDF function is graphically portrayed, the area under the graph will indicate the interval under which the variable with… …   Investment dictionary