无动于衷 发表于 2025-3-26 21:08:47
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Gibbs paradox and degenerate gases, produce a second regression that fixes those errors. You may have dismissed this idea, though, because if one uses only linear regressions trained using least squares, it’s hard to see how to build a second regression that fixes the first regression’s errors.miniature 发表于 2025-3-27 08:14:59
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SVMs and Random ForestsAssume we have a labelled dataset consisting of . pairs (.., ..). Here .. is the .’th feature vector, and .. is the .’th class label. We will assume that there are two classes, and that .. is either 1 or − 1. We wish to predict the sign of . for any point ..Ergots 发表于 2025-3-27 16:00:54
Cícero Nogueira dos Santos,Ruy Luiz Milidiúcause many problems are naturally classification problems. For example, if you wish to determine whether to place an advert on a webpage or not, you would use a classifier (i.e., look at the page, and say yes or no according to some rule). As another example, if you have a program that you found forgrenade 发表于 2025-3-27 21:31:59
SpringerBriefs in Computer Sciencedata predicts test error, and how training error predicts test error. Error on held-out training data is a very good predictor of test error. It’s worth knowing why this should be true, and Sect. 3.1 deals with that. Our training procedures assume that a classifier that achieves good training errorCredence 发表于 2025-3-28 00:01:54
Studies in Fuzziness and Soft Computing is hard to plot, though Sect. 4.1 suggests some tricks that are helpful. Most readers will already know the mean as a summary (it’s an easy generalization of the 1D mean). The covariance matrix may be less familiar. This is a collection of all covariances between pairs of components. We use covariaetiquette 发表于 2025-3-28 02:27:59
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