Distribution Fitting Software & Articles

Log-Pearson III (LP3) Distribution

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Probability Density Function (PDF)

Log-Pearson 3 distribution PDF

Log-Pearson III (LP3) Distribution Fitting

EasyFit allows to automatically or manually fit the Log-Pearson III (LP3) distribution and 55 additional distributions to your data, compare the results, and select the best fitting model using the goodness of fit tests and interactive graphs. Watch the short video about EasyFit and get your free trial.

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Log-Pearson III (LP3) Distribution Graphs and Properties

EasyFit displays all graphs and properties of the Log-Pearson III (LP3) 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 Log-Pearson III (LP3) Distribution

You can easily generate random numbers from the Log-Pearson III (LP3) 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
LogPearson3Pdf Probability Density Function
LogPearson3Cdf Cumulative Distribution Function
LogPearson3Haz Hazard Function
LogPearson3Inv Inverse CDF (Quantile Function)
LogPearson3Rand Random Numbers
LogPearson3Mean Mean
LogPearson3Var Variance
LogPearson3Stdev Standard Deviation

Learn more: EasyFit Help on the Log-Pearson III (LP3) distribution