ttest for the null hypothesis of identical means
this should also be the same as onewaygls, except for ddof differences
Parameters : | x1, x2 : array_like, 1-D or 2-D
alternative : string
usevar : string, ‘pooled’ or ‘unequal’
value : float
|
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Returns : | tstat : float
pvalue : float
df : int or float
|
Notes
The result is independent of the user specified ddof.