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Results tagged with two-sample
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user 351651
The two-sample problem is: given samples X and Y from two distributions, test whether the two underlying distributions are the same. One of the most common classical nonparametric approach is the Kolmogorov-Smirnov test.
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Two-sample Kolmogorov-Smirnov discrete distributions
Let's say that two Census takers interview a number of couples and ask for the number of children they have. I want to compare the two resulting samples to find out if they could have come from the sa …
- 55
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Two-sample Kolmogorov-Smirnov discrete distributions
For the Python implementation of the two-sample chi-squared test:
from scipy.stats import chi2_contingency
import numpy as np
arr1 = [359, 387, 187, 48, 12, 7]
arr2 = [599, 311, 75, 14, 1, 0]
obs = …
- 55