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| Bayesian Model Averaging s nedostajućim podacima× | Višestruko imputiranje× | |
|---|---|---|
| Područje≠ | Bayesovska statistika | Statistika |
| Obitelj≠ | Bayesian methods | Process / pipeline |
| Godina nastanka≠ | 1999 (BMA seminal); 2000s (missing-data extensions) | 1987 |
| Tvorac≠ | Hoeting, Madigan, Raftery, Volinsky (BMA); extended to missing data by Raftery, Madigan and others | Donald B. Rubin |
| Vrsta≠ | Bayesian ensemble inference under incomplete data | Missing-data handling procedure |
| Temeljni izvor≠ | Hoeting, J. A., Madigan, D., Raftery, A. E. & Volinsky, C. T. (1999). Bayesian model averaging: A tutorial. Statistical Science, 14(4), 382-417. link ↗ | Rubin, D.B. (1987). Multiple Imputation for Nonresponse in Surveys. Wiley. DOI ↗ |
| Drugi nazivi≠ | BMA with missing data, Bayesian model averaging under missingness, BMA-MI, model-averaged imputation | MICE, Multivariate Imputation by Chained Equations, Çoklu Atama (Multiple Imputation — MICE) |
| Srodne≠ | 6 | 1 |
| Sažetak≠ | Bayesian Model Averaging with missing data (BMA-MD) simultaneously addresses two sources of uncertainty: which model best describes the data, and what the unobserved values are. Rather than selecting a single imputed dataset and a single model, the approach averages predictions across the full space of candidate models and plausible completions of the missing values, propagating both sources of uncertainty into every estimate and prediction. | Multiple Imputation (MI), formally introduced by Donald B. Rubin in 1987, is a principled statistical procedure for handling missing data. Rather than replacing each missing value once, MI fills the gaps m times — each time drawing plausible values from the posterior predictive distribution of the missing data — producing m complete datasets. Each dataset is analysed independently, and the results are combined into a single set of estimates using Rubin's pooling rules. The MICE variant (Multivariate Imputation by Chained Equations), popularised by van Buuren and Groothuis-Oudshoorn (2011), extends the approach to mixed variable types by imputing each variable in turn through a sequence of conditional regression models. |
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