Distribution Fitting Articles | Software

Laplace (Double Exponential) Distribution

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Parameters

- inverse scale parameter ()
- location parameter

Domain

Probability Density Function (PDF)

Laplace distribution PDF

Laplace (Double Exponential) Distribution Fitting

EasyFit allows to automatically or manually fit the Laplace (Double Exponential) distribution and 40 additional distributions to your data, compare the results, and select the best fitting model using the goodness of fit tests and interactive graphs.

Laplace (Double Exponential) Distribution Graphs and Properties

EasyFit displays all graphs and properties of the Laplace (Double Exponential) distribution, presenting the results in an easy to read & understand manner. EasyFit calculates statistical moments (mean, variance etc.), quantiles, tail probabilities depending on the distribution parameters you specify.

Random Numbers from the Laplace (Double Exponential) Distribution

You can easily generate random numbers from the Laplace (Double Exponential) distribution in a variety of ways:

  • directly from EasyFit
  • in Excel sheets using the worksheet functions provided by EasyFitXL
  • in your VBA applications using the EasyFitXL library

Excel Worksheet and VBA Functions

EasyFitXL enables you to use the following functions in your Excel sheets and VBA applications:

Function Name
Description
LaplacePdf Probability Density Function
LaplaceCdf Cumulative Distribution Function
LaplaceHaz Hazard Function
LaplaceInv Inverse CDF (Quantile Function)
LaplaceRand Random Numbers
LaplaceMean Mean
LaplaceVar Variance
LaplaceStdev Standard Deviation