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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

Synthetic Control in Python: Mock Example

Implements synthetic control from scratch: learns donor weights via ridge regression on pre-period data, then predicts a counterfactual for the treated unit.

synthetic-control causal-inference numpy
Python 
import numpy as np

class SyntheticControl:
    def __init__(self, data, treated_index, pre_periods, post_periods):
        self.data = np.array(data, dtype=float)
        self.treated_index = treated_index
        self.pre_periods = pre_periods
        self.post_periods = post_periods
        
    def fit_weights(sel…
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