Probability density function

(redirected from Density of a probability distribution)
Also found in: Dictionary, Encyclopedia.
Related to Density of a probability distribution: Probability density function, Probability distribution function

Probability density function

The function that describes the change of certain realizations for a continuous random variable.

Probability Function

In statistics, a measure of the probable distribution of some random variable. When plotted on a chart, the area under the graph represents the probable values of the random variable. It is used in foreign exchange and equities as a means of assessing probable future market trends.