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probability density function

prob·a·bil·i·ty den·si·ty func·tion (plural prob·a·bil·i·ty den·si·ty func·tions)


noun 
Definition:
 
1. statistics 
Same as  probability function


2. function of continuous variable: a function of a continuous variable such that the integral of the function over a specific region yields the probability that its value will fall within the region

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