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how can i check the geometric distribution

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john pismichos
john pismichos on 26 May 2020
Answered: Jeff Miller on 27 May 2020
hello everyone,
I have to do a homework for the university. I need to find the geometric distribution in an array.
For example there are some data : 2, 3, 1, 4, 3, and each of these is the years between two earthquakes. I want to find, if this array follows geometric distribution.
thank you

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Answers (1)

Jeff Miller
Jeff Miller on 27 May 2020
Look at the Wikipedia page on this distribution and it will tell you how to estimate the parameter from your observations (it depends a little on which version of 'the' geometric you are thinking of).
Once you have estimated the parameter, use a chisquare test to check whether the observed frequencies of each value match the values predicted using that estimated parameter value.

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