probability density function
(redirected from Probability function)Also found in: Dictionary, Financial, Wikipedia.
Related to Probability function: Probability density function, Probability mass function
probability density function
[‚präb·ə′bil·əd·ē ¦den·səd·ē ‚fəŋk·shən] (statistics)
A real-valued function whose integral over any set gives the probability that a random variable has values in this set. Also known as density function; frequency function.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.