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单词
bias-variance decomposition
释义
bias-variance decomposition
Encyclopedia
理学
学习理论
释
bias-variance decomposition
偏差-方差分解
解释算法泛化性能的一种重要工具。它试图对学习算法的期望泛化误差错误率拆解成偏差、方差及噪声三项。人们需要对模型的性能进行评估来比较和选择模型。一般可以通过将数据集划分成训练集(training set)和测试集(testing set),在训练集上进行训练,然后以测试集上的测试误差(testing error)来做为泛化误差的近似。
随便看
group of operators
group of outer automorphism
group of outer permutations
group of parameters
group of paths
group of periods
group of permutations
group of points
group of projective transformations
group of quaternions
group of quotients
group of regular polyhedrons
group of representatives
group of right quotients
group of rings
group of rotations
group of semilinear substitutions
group of similarity transformations
group of spheres
group of stability
group of stars
group of substitutions
group of symmetries
group of symmetry operation
group of symmetry operations
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