Caliper matching Created 2026-09-24 Updated 2026-10-14
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Caliper matching rejects candidate pairs whose distance exceeds a tolerance.
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Confounding 2026-09-24
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Confounding is distortion of an exposure-outcome association by common causes or associated background variables.
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Covariate balance Created 2026-09-24 Updated 2026-10-14
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Covariate balance means treatment groups have similar pretreatment covariate distributions.
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Matching (statistics) 2026-10-14
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Matching compares treated and control units with similar pretreatment covariates.
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