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A/B testing & experimentation

User bucketing, experiment metrics, statistical comparison, and rollout guardrails.

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A/B testing & experimentation medium

Check Covariate Balance in Python

Compute standardized mean differences and KS tests to check covariate balance between treatment and control groups in Python.

covariate balance ab-testing
Python 
import numpy as np
from scipy import stats

def balance_check(treatment, covariate):
    """Check covariate balance between treatment and control groups."""
    treat_vals = covariate[treatment == 1]
    control_vals = covariate[treatment == 0]
    
    # Standardized mean difference
    pooled_std = np.sqrt((np.var(t…
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A/B testing & experimentation — Python code examples

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