模型選擇:Mallow's Cp - 考試

By Lauren
at 2015-07-01T20:59
at 2015-07-01T20:59
Table of Contents
用Mallow's Cp做 model selection,
老師教先挑每種model subset中最接近母數個數(p)的Cp,然後挑最小的。
那為什麼不是直接挑最小的就好?
還是我對這個準則的理解有哪邊誤解了?
--
老師教先挑每種model subset中最接近母數個數(p)的Cp,然後挑最小的。
那為什麼不是直接挑最小的就好?
還是我對這個準則的理解有哪邊誤解了?
--
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