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What is a «probability density function» («PDF»)?

mathematics
theory
glossary
probability-theory
(Dmitry Fedyuk) #1

A probability density function (PDF), or density of a continuous random variable, is a function whose value at any given sample (or point) in the sample space can be interpreted as providing a relative likelihood that the value of the random variable would equal that sample.

en.wikipedia.org/wiki/Probability_density_function

C. Randy Gallistel - «Bayes for Beginners: Probability and Likelihood» (2015)
What is the difference between the «likelihood function» and «probability density function» terms?
(Dmitry Fedyuk) #2

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