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[Solved] Pert distribution?


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Does Analytica have the Pert distribution?

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The PERT distribution is a family of continuous distributions give the minimum (a), most likely (b) and maximum (c) values that a variable can take.   Click to see graphs.
PERT distributions by mode

It is a transformation of the four-parameter Beta distribution. The modified-PERT introduces a fourth parameter, lamda, that controls how peaked the distribution is, or conversely how much probability is in the tails.  See example graphs 
PERT distributions by peakedness lamda

Analytica has the beta distribution built-in. We have added the modified PERT as a distribution function in the attached library. 

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