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Fig. 2 | BMC Medical Research Methodology

Fig. 2

From: Applied comparison of large‐scale propensity score matching and cardinality matching for causal inference in observational research

Fig. 2

Matching covariate standardized mean differences after large-scale propensity score matching (PSM) and cardinality matching (CM). Fine balance: exact marginal distributional balance. Violin plots illustrate kernel probability density; the width of the shaded area represents the proportion of observations with the corresponding y-axis value

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BMC Medical Research Methodology

ISSN: 1471-2288

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