幾何機率分佈(Exponential Probability Distribution)

GNU R

# Exponential Probability ExponentialProbabilityDesity <- function(timeExpect, timeMean) { myPower <- -1 * (timeExpect / timeMean) myProbability <- exp(myPower) / timeMean myProbability } ExponentialCumulativeProbability <- function(timeExpect, timeMean) { myPower <- -1 * (timeExpect / timeMean) myProbability <- 1 - exp(myPower) myProbability }

應用

圖形

Probability Density Function

Cumulative Distribution Function