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| Metropolis-Hastings s chýbajúcimi údajmi× | Zväčšovanie dát× | |
|---|---|---|
| Odbor≠ | Bayesovské metódy | Hlboké učenie |
| Rodina≠ | Bayesian methods | Machine learning |
| Rok vzniku≠ | 1953 / 1987 | 2019 |
| Tvorca≠ | Metropolis et al. (1953); missing-data extension formalised by Tanner & Wong (1987) | Connor Shorten & Taghi Khoshgoftaar |
| Typ≠ | MCMC sampler with latent-variable augmentation | Regularization / data preprocessing technique |
| Pôvodný zdroj≠ | Tanner, M. A. & Wong, W. H. (1987). The calculation of posterior distributions by data augmentation. Journal of the American Statistical Association, 82(398), 528-540. DOI ↗ | Shorten, C., & Khoshgoftaar, T. M. (2019). A survey on image data augmentation for deep learning. Journal of Big Data, 6, 60. DOI ↗ |
| Ďalšie názvy | MH with missing data, Metropolis-Hastings data augmentation, MCMC missing data imputation, MH data-augmentation sampler | Training Data Augmentation, Image Augmentation, Veri Artırma, Synthetic Data Augmentation |
| Príbuzné≠ | 6 | 2 |
| Zhrnutie≠ | Metropolis-Hastings with missing data treats unobserved values as latent variables and samples them jointly with model parameters inside a single MCMC chain. By augmenting the target distribution to include both parameters and missing values, the algorithm yields properly calibrated posterior inference without discarding incomplete cases or requiring a separate imputation step. | Data augmentation is a family of techniques that artificially expands a training dataset by applying label-preserving transformations to existing samples. Originally systematized for image classification tasks, it is now applied broadly across vision, text, audio, and tabular domains. It emerged as a practical answer to the chronic scarcity of labeled data in supervised deep learning and remains a standard preprocessing step in modern neural network pipelines. |
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