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在统计学中,岭回归约束 \beta_1^2 + \beta_2^2 <= c 定义圆盘。解是误差椭圆触及圆盘的位置。
在统计学中,岭回归约束 \beta_1^2 + \beta_2^2 <= c 定义圆盘。解是误差椭圆触及圆盘的位置。
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