ALL meanings of probability density function
prob·a·bil·i·ty den·si·ty func·tion
P p - noun probability density function a function of a continuous variable whose integral over a region gives the probability that a random variable falls within the region. 1
- noun probability density function 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. 1
- noun probability density function 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 size 0