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| Utežavanje i kalibracija uzoraka× | Višestruko imputiranje× | Procjena za mala područja (Fay-Herriotov model)× | |
|---|---|---|---|
| Područje≠ | Metodologija anketa | Statistika | Metodologija anketa |
| Obitelj≠ | Process / pipeline | Process / pipeline | Regression model |
| Godina nastanka≠ | 2010 | 1987 | 1979 |
| Tvorac≠ | Sharon Lohr | Donald B. Rubin | Robert Fay & Roger Herriot |
| Vrsta≠ | Estimation adjustment procedure | Missing-data handling procedure | Model-based survey estimator |
| Temeljni izvor≠ | Lohr, S. L. (2010). Sampling: Design and Analysis (2nd ed.). Brooks/Cole. ISBN: 978-0-495-10527-5 | Rubin, D.B. (1987). Multiple Imputation for Nonresponse in Surveys. Wiley. DOI ↗ | Fay, R. E., & Herriot, R. A. (1979). Estimates of income for small places: An application of James-Stein procedures to census data. Journal of the American Statistical Association, 74(366), 269–277. DOI ↗ |
| Drugi nazivi≠ | Survey Calibration, Post-Stratification Weighting, Raking Adjustment, Ağırlıklandırma (Anket) | MICE, Multivariate Imputation by Chained Equations, Çoklu Atama (Multiple Imputation — MICE) | SAE, Model-Based Small Area Estimation, Area-Level Model, Küçük Alan Tahmini |
| Srodne≠ | 3 | 1 | 2 |
| Sažetak≠ | Survey weighting is a statistical procedure that assigns a numeric weight to each sampled unit so that the weighted sample reproduces known population totals. Rooted in classical sampling theory and systematically synthesized by Sharon Lohr (2010), the approach corrects for unequal selection probabilities, unit nonresponse, and coverage gaps, producing estimates that are more representative of the target population than raw sample means or totals would be. | 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. | Small Area Estimation (SAE) refers to statistical techniques that produce reliable estimates for subpopulations — geographical regions, demographic groups, or administrative units — where direct survey samples are too sparse to yield acceptable precision. The Fay-Herriot model, introduced by Robert Fay and Roger Herriot in 1979, is the canonical area-level SAE model. It supplements weak direct survey estimates with auxiliary covariate information through an empirical Bayes or BLUP framework, substantially reducing mean squared error for small domains. |
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