クラスタ数推定に用いる最適な情報量規準の探求

Transcript

1. : 
    5 2 3 24

2.    u u u k-means 
     

   

3. u u G -

4.       
    

   
   

5. k b m k = 2 1  - (

   1 j = 1 j = k n 1 ( j 2 j c 1 ) j 2 -
   41 e 2 
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6. 
    

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8. ( ) ( ( ) ( ( ) ( ,

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10. 
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11. 
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12. 
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13.  • I
      C G • A •

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15. 
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      •

     

16. 
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    • A P B

17. A ; %+  *.5 2-(3 "6,'1%/!(3 $  )&0

    4
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18. h y j x c (y j+1 ) yj bh

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19. 
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    Xn ) )' $&( " f (x1 , x2 , …, xn | θ)   f  θ "#  "

20. 
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21. " f(x)  % g(x)  log g(x)  !

     log f(x)  !  #  n   $& -

22. 
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     # Σd×d

    !%$  

23. 
      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
    ,