Upgrade to Pro — share decks privately, control downloads, hide ads and more …

第9回 評価方法と学習アルゴリズムの比較

Sponsored · Ship Features Fearlessly Turn features on and off without deploys. Used by thousands of Ruby developers.

 第9回 評価方法と学習アルゴリズムの比較

Avatar for Taichi Aida

Taichi Aida

March 07, 2019
Tweet

More Decks by Taichi Aida

Other Decks in Technology

Transcript

  1. 9 7 1 / ) (B 0 2 3 

        
  2.  5 6 : 7 6 8 : 7 12

    1 . //1 22 . /
  3.  • 1 6 p • e A l 0

    PA t L • e • e A D 6 i r6
  4.     • L ℳ _ c" b

    P(%|ℳ) P 7- A Perplexity " ℳ = 1 ∏ 345 6 ∏ 78,:∈"8 <(%3,= |ℳ) 5 ∑8 ? @8 • aD M M 7- • - 7- • - - ( 7- • -) 7-
  5.  • ) 1 5. )1 50 4 5 C

    cM L 245 cM L C M L (3 9 cM L Ne A a
  6. ( ) • I • I M PMI (%& ,

    %( ) = log .(%& , %( ) . %& .(%( ) • P 1 2 2W
  7.   15 2 2 Ψ " = $logΓ(") $"

    Γ "  2 Γ " = " − 1 !