probability density function

noun Statistics.

a function of a continuous variable whose integral over a region gives the probability that a random variable falls within the region.

Also called frequency function. a function of a discrete variable whose sum over a discrete set gives the probability of occurrence of a specified value.

Origin of probability density function

First recorded in 1935–40

Words nearby probability density function

prob, probabilism, probabilistic, probability, probability curve, probability density function, probability distribution, probability function, probability theory, probability wave, probable

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for probability density function

probability density function

noun

statistics a function representing the relative distribution of frequency of a continuous random variable from which parameters such as its mean and variance can be derived and having the property that its integral from a to b is the probability that the variable lies in this interval. Its graph is the limiting case of a histogram as the amount of data increases and the class intervals decrease in sizeAlso called: density function Compare cumulative distribution function, frequency distribution

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

单词	probability density function
释义	probability density function noun Statistics. a function of a continuous variable whose integral over a region gives the probability that a random variable falls within the region. Also called frequency function. a function of a discrete variable whose sum over a discrete set gives the probability of occurrence of a specified value. Origin of probability density function First recorded in 1935–40 Words nearby probability density function prob, probabilism, probabilistic, probability, probability curve, probability density function, probability distribution, probability function, probability theory, probability wave, probable Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for probability density function probability density function noun statistics a function representing the relative distribution of frequency of a continuous random variable from which parameters such as its mean and variance can be derived and having the property that its integral from a to b is the probability that the variable lies in this interval. Its graph is the limiting case of a histogram as the amount of data increases and the class intervals decrease in sizeAlso called: density function Compare cumulative distribution function, frequency distribution Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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