How to calculate nbins for chi2gof test?

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Sasi
Sasi 2012-1-26
Hi I want to use chi2gof test to see if the distributions of my data is normal or not? but I don't know how to calculate nbins or edges? Tanx Sasi

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Wayne King
Wayne King 2012-1-26
Why don't you just use the default number of bins, which is 10.
If you end up with fewer than 5 observations in the interior bins, chi2gof() will throw a warning and then you can reduce the number of bins.

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