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deepak-karkala/abtesting_chisq_distance.py

Created December 29, 2020 06:46
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# A/B Testing: Conversion Rate: Distance between chi-squared distributions
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abtesting_chisq_distance.py
# A/B Testing: Conversion Rate: Distance between chi-squared distributions
from scipy.stats import chi2
T = np.array([165, 165, 9835, 9835])
O = np.array([150, 180, 9850, 9800])
D = np.sum(np.square(T-O)/T)
pvalue = chi2.sf(D, df=1)
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