scipy.stats.bartlett¶
- scipy.stats.bartlett(*args)[source]¶
Perform Bartlett’s test for equal variances
Bartlett’s test tests the null hypothesis that all input samples are from populations with equal variances. For samples from significantly non-normal populations, Levene’s test levene is more robust.
Parameters: sample1, sample2,... : array_like
arrays of sample data. May be different lengths.
Returns: T : float
The test statistic.
p-value : float
The p-value of the test.
References
[R255] http://www.itl.nist.gov/div898/handbook/eda/section3/eda357.htm [R256] Snedecor, George W. and Cochran, William G. (1989), Statistical Methods, Eighth Edition, Iowa State University Press.