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Probplot for Generalized Extreme Value distribution

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Hector de Santos
Hector de Santos 2021 年 8 月 15 日
コメント済み: Hector de Santos 2021 年 8 月 16 日
The probplot function ( ) does not support "Generalized Extreme Value" (GEV) distributions.
I am working with GEV type II (Frechet). Is there a way to this MATLAB?
Thanks in advance.


Jeff Miller
Jeff Miller 2021 年 8 月 16 日
Cupid includes the Frechet distribution. It doesn't have probplot function, but you can easily produce something similar:
% assume x1 is a vector of data
dist = Frechet(5,20,100); % Create a distribution object, preferably with parameter values
% in approximately the right range for your data
dist.EstML(x1); % Adjust parameter values to maximum likelihood estimates for this dataset
[obscdf,x] = ecdf(x1); % Compute empirical probability distribution
predcdf = dist.CDF(x); % Compute theoretical cumulative probabilities
hold on
  1 件のコメント
Hector de Santos
Hector de Santos 2021 年 8 月 16 日
Thank you Jeff


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