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| Markov-ketju-Monte Carlo (MCMC)× | Harjanneregressio× | |
|---|---|---|
| Tieteenala≠ | Bayesilainen tilastotiede | Koneoppiminen |
| Menetelmäperhe≠ | Bayesian methods | Machine learning |
| Syntyvuosi≠ | — | 1970 |
| Kehittäjä≠ | — | Hoerl, A.E. & Kennard, R.W. |
| Tyyppi≠ | Posterior sampling algorithm | L2-regularized linear regression |
| Alkuperäislähde≠ | Gelman, A., Carlin, J. B., Stern, H. S., Dunson, D. B., Vehtari, A. & Rubin, D. B. (2013). Bayesian Data Analysis (3rd ed.). CRC Press. ISBN: 978-1439840955 | Hoerl, A.E. & Kennard, R.W. (1970). Ridge Regression: Biased Estimation for Nonorthogonal Problems. Technometrics, 12(1), 55–67. DOI ↗ |
| Rinnakkaisnimet≠ | markov chain monte carlo, MCMC sampling, MCMC (Markov Zinciri Monte Carlo) | Ridge Regresyonu, ridge regresyonu, L2-regularized regression, Tikhonov regularization |
| Liittyvät≠ | 3 | 4 |
| Tiivistelmä≠ | Markov Chain Monte Carlo (MCMC) is a family of computational algorithms for sampling from complex probability distributions, most commonly the posterior distributions that arise in Bayesian inference. Rather than computing posteriors analytically — which is rarely possible for realistic models — MCMC constructs a Markov chain whose stationary distribution is the target posterior and draws dependent samples from it, enabling full probabilistic inference for virtually any model. | Ridge Regression is an L2-regularized linear regression method, introduced by Arthur Hoerl and Robert Kennard in 1970, that reduces multicollinearity by adding a penalty on the size of the coefficients. It shrinks coefficients toward zero without setting any of them exactly to zero, producing more stable estimates when predictors are highly correlated. |
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