Laplace Distribution for the Probability Distribution Calculator
- Density Function
- The Laplace (or Double Exponential) distribution has the probability density function:
f(x) = 1/(2b) * e[-(|x-a|/b)], -∞ <x<∞
where
- Distribution Function
- The cumulative distribution function (the term was first introduced by Wilks, 1943) for the Laplace distribution is:
- L
- This field displays the current variate value for the Laplace distribution. When you edit this value (either manually or with the microscrolls), Statistica computes the associated p-value for the specified parameters.
- p
- This field displays the p-value computed from the specified variate value and parameters or you can enter a desired p-value (either manually or edit the existing value with the microscrolls) and compute the critical value of the distribution for the specified parameters.
- Location, Scale
- Specify here the location and scale parameters of the distribution, a and b, respectively. If one or both of these parameters are changed, then the p-value will be recomputed based on the respective variate value.
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