[Excel] Need help in generating formula for Distribution Fitting(Gumbel)

tumble25

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Joined
Aug 1, 2018
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1
Hello, I'm currently updating a distribution fitting template used in simulation based on historical data.

I found the formula for Gumbel distribution from this thread, which is Location - Scale * LN(-LN(RAND())), for generating x

https://www.mrexcel.com/forum/excel-questions/613545-stochastic-modeling-left-skewed-extreme-value-distribution.html?highlight=gumbel+min

However, I'm looking for a substitute for the Rand() function as this would always generate data every after calculation and will always change the distribution fitting.

Any help will be appreciated. Thanks!
 

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