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| Propensity Score Matching× | Logistisk regression× | |
|---|---|---|
| Fagområde | Forskningsstatistik | Forskningsstatistik |
| Familie | Process / pipeline | Process / pipeline |
| Oprindelsesår≠ | 1983 | 1958 |
| Ophavsperson≠ | Paul Rosenbaum and Donald Rubin | David Roxbee Cox |
| Type | Method | Method |
| Oprindelig kilde≠ | Rosenbaum, P. R., & Rubin, D. B. (1983). The central role of the propensity score in observational studies for causal effects. Biometrika, 70(1), 41–55. DOI ↗ | Cox, D. R. (1958). The regression analysis of binary sequences. Journal of the Royal Statistical Society, Series B, 20(2), 215–242. DOI ↗ |
| Aliasser | PSM, propensity score weighting, covariate balance | logit model, binomial logistic regression, LR |
| Relaterede | 3 | 3 |
| Resumé≠ | Propensity score matching (PSM) is a method for reducing confounding bias in observational studies by balancing baseline characteristics between treatment groups, simulating randomization. Developed by Rosenbaum and Rubin (1983), it estimates the probability of receiving treatment given observed covariates, then matches or weights treated and control individuals with similar treatment probabilities. Widely used in medicine, epidemiology, and policy evaluation when randomized trials are infeasible or unethical, enabling estimation of treatment effects while controlling for selection bias. | Logistic regression is a statistical method for modeling the probability of a binary outcome (disease present/absent, success/failure) as a function of continuous and categorical predictors. Developed by David Roxbee Cox (1958), it solves the problem of predicting categorical outcomes by applying a logistic transformation to constrain predictions to the [0,1] probability interval, enabling accurate risk stratification, diagnostic prediction, and causal inference in epidemiology, medicine, and social science. |
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