Determining optimal number of bins for chi squared distribution

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John
John 2012-2-8
回答： Damiano Capocci 2018-3-24
Hello,
I am applying a chi squared distribution to histogram. Is there any way in matlab to determine the optimal number of bins to get the lowest chi squared (X2) statistic?
The Chi-square goodness-of-fit test function does not necessarily tell you the optimal number of bins to use, or does it?
Many thanks
John

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回答（1 个）

Damiano Capocci
Damiano Capocci 2018-3-24
More you have, better will be. if you have a great number of data you can go far with stand deviations because you will always have the product Prob*N_tot big enough

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