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| ロバスト・ガウス過程× | ベイジアン・ガウス過程× | |
|---|---|---|
| 分野 | 機械学習 | 機械学習 |
| 系統 | Machine learning | Machine learning |
| 提唱年≠ | 2011 (formal treatment); GP foundations: Rasmussen & Williams 2006 | 1978–2006 |
| 提唱者≠ | Jylanki, P.; Vanhatalo, J.; Vehtari, A. | O'Hagan, A.; Neal, R. M.; Rasmussen, C. E. & Williams, C. K. I. |
| 種類≠ | Probabilistic non-parametric regression / classification | Probabilistic kernel model |
| 原典≠ | Jylanki, P., Vanhatalo, J., & Vehtari, A. (2011). Robust Gaussian Process Regression with a Student-t Likelihood. Journal of Machine Learning Research, 12, 3227–3257. link ↗ | Rasmussen, C. E., & Williams, C. K. I. (2006). Gaussian Processes for Machine Learning. MIT Press. ISBN: 978-0-262-18253-9 |
| 別名 | Robust GP, Student-t Process, Heavy-tailed Gaussian Process, Outlier-robust GP | GP regression, GPR, Gaussian process model, GP classifier |
| 関連≠ | 5 | 3 |
| 概要≠ | Robust Gaussian Process (Robust GP) extends the standard Gaussian Process framework by replacing the Gaussian noise likelihood with a heavy-tailed distribution — typically Student-t — so that outliers in the training data exert less influence on the learned function. It retains the full probabilistic, uncertainty-quantifying character of a standard GP while becoming far less sensitive to corrupted or anomalous observations. | A Bayesian Gaussian Process (GP) places a probability distribution directly over functions, using a kernel to encode similarity between inputs. After observing data, Bayes' rule converts this prior into a posterior that yields not just point predictions but calibrated uncertainty estimates at every new input — making it one of the most principled probabilistic models in machine learning. |
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