explained variance interpretation

10 regression variance91σ^2=var(e)=e[(e61e[e])^2]=e[e^2],其

1,可解释方差(explained_variance_score)

测量「已解释方差(explained variance)」和主成分分析(pca)

机器学习(吴恩达课程)笔记---持续更新(更新完毕)_第76张图片

李宏毅机器学习variance方差和bias误差

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