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ロジスティック回帰
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Taichi Aida
March 21, 2019
Technology
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ロジスティック回帰
Taichi Aida
March 21, 2019
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Transcript
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• • • • • • • 8
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• 0 • • • • • 1 •
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0|-)$1.(/) • • ((") = 1 &(((") = 0|-)$1.(/) = 1 • ((") = 0 &(((") = 1|-).(/) = 1
• • • • • 2 • 1 •
• • !(#) 3 1 ! #
= & '() * +(,(') = 1|/)0(1)+(,(') = 0|/))30(1) • 3 log! # = 7 '() * ,(')log+ ,(') = 1 / + (1 − ,('))log+(,(') = 0|/) • 3 3 3
• !" # = %('(() = 1|#)
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• • • • 6 • • 1 •
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r • !$"# ≥ 0 d ' = 1 • !$"# < 0 d ' = 0 • o c T • ! g_k • ep • a bi 0::7 /1:0 1 01 1- 3 :.8 0 7 7