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

2014.03.15 SHARE! U20

Sponsored · Your Podcast. Everywhere. Effortlessly. Share. Educate. Inspire. Entertain. You do you. We'll handle the rest.

2014.03.15 SHARE! U20

Avatar for Kohei YOSHIDA

Kohei YOSHIDA

March 15, 2014
Tweet

More Decks by Kohei YOSHIDA

Other Decks in Programming

Transcript

  1. SHARE! U20 @yosida95 ݕࡧΤϯδϯͷ࢓૊Έ ୯ޠ ϖʔδ ࠓ " # ੲ

    " $ ஛औͷԧ " # $ ໺ࢁ " % ͞͵͖ͷ଄ " &
  2. SHARE! U20 @yosida95 ݕࡧΤϯδϯͷ࢓૊Έ ୯ޠ ϖʔδ ࠓ " # ੲ

    " $ ஛औͷԧ " # $ ໺ࢁ " % ͞͵͖ͷ଄ " &
  3. SHARE! U20 @yosida95 ݕࡧΤϯδϯͷ࢓૊Έ ୯ޠ ϖʔδ ࠓ " # ੲ

    " $ ஛औͷԧ " # $ ໺ࢁ " % ͞͵͖ͷ଄ " &
  4. SHARE! U20 @yosida95 ݕࡧΤϯδϯͷ࢓૊Έ ୯ޠ ϖʔδ ࠓ " # ੲ

    " $ ஛औͷԧ " # $ ໺ࢁ " % ͞͵͖ͷ଄ " &
  5. SHARE! U20 @yosida95 ݕࡧΤϯδϯͷ࢓૊Έ ୯ޠ ϖʔδ ࠓ " # ੲ

    " $ ஛औͷԧ " # $ ໺ࢁ " % ͞͵͖ͷ଄ " &
  6. SHARE! U20 @yosida95 ݕࡧΤϯδϯͷ࢓૊Έ TF − IDF = TF ×

    IDF TF = num_of _the_word _in_ page num_of _all _words_in_ page IDF = log num_of _all _ pages num_of _ pages_contains_the_word