Category
page 1Functions related to probability distributions
probability density function
function whose integral over a region describes the probability of an event occurring in that region
distribution function
function that defines a probability distribution by specifying the probability of being ≤ each value
error function
sigmoid shape special function which occurs in probability, statistics and partial differential equations
characteristic function
function associated to a real-valued random variable that completely defines its probability distribution; the Fourier transform of the probability density function
probability-generating function
power series derived from a discrete probability distribution
quantile function
statistical function that defines the quantiles of a probability distribution
rank-size distribution
distribution of size by rank
Marcum Q-function
Function in statistics
ogive
type of graphed curve in statistics