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クラスタ数推定に用いる最適な情報量規準の探求
Hagihara Ryosuke
February 19, 2018
Research
0
110
クラスタ数推定に用いる最適な情報量規準の探求
卒研発表資料です
Hagihara Ryosuke
February 19, 2018
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Transcript
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+ ! * $&%" (X1 , X2 , …,
Xn ) )' $&( " f (x1 , x2 , …, xn | θ) f θ "# "
l(θ) - u u L L(θ) K
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log f(x) ! # n $& -
d DK" µ # Σd×d
!%$
M j p j R G σ2
P(xi) = R(i) R 1 p 2⇡ d exp ✓ 1 2 2 k xi µ(i) k2 ◆ d D K G µ ,