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Kolmogorov-Smirnov test for inverse Gaussian distribution

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Abas Arkawazi
Abas Arkawazi 2020-1-8
评论： Jeff Miller 2020-1-11
Hello ... I has data and I want to use a goodness-of-fit test (Kolmogorov-Smirnov) to indicate whether the data follow the inverse Gaussian distribution or not ... can you help me, how do I run this test ??
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Jakob B. Nielsen
Jakob B. Nielsen 2020-1-9
The Kolmogorov-Smirnov test checks if your data is from a standard normal distribution, not an inverse gaussian. Of course, it is always good to check, first, if your data is from a standard normal distribution, before looking for alternative distributions :)
Simply [h,p]=kstest(data) will give you that info.
In case the null hypothesis is rejected, there is a code on the file exchange for testing for the inverse gaussian distribution, that you might check out. https://se.mathworks.com/matlabcentral/fileexchange/24036-anderson-darling-goodness-of-fit-test-to-inverse-gaussian-distbtn?focused=5114587&tab=function

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