[英]Chi Square Test of Independence in Python
from scipy.stats import chi2_contingency
row1 = [91,90,51]
row2 = [150,200,155]
row3 = [109,198,172]
data=[row1,row2,row3]
print chi2_contingency(data)
输出:
(25.085973274234959, 4.8346447416999636e-05, 4, array([[ 66.77631579, 93.10526316, 72.11842105],
[ 145.35361842, 202.66447368, 156.98190789],
[ 137.87006579, 192.23026316, 148.89967105]]))
R输出:
Pearson's Chi-squared test
data: data.table
X-squared = 25.086, df = 4, p-value = 4.835e-05
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