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B3ゼミ_第5回_トピックとLDA
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Taichi Aida
February 05, 2019
Education
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B3ゼミ_第5回_トピックとLDA
Taichi Aida
February 05, 2019
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Transcript
( 3 7 29 /01 BA D 7 2 )
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! $ " #
• • • a b e , •
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( !" ~ # !" |% ' = 1, … , , %) % ! $42*!" - $410# !" |% ,+ '
• • •
• •
• ! = (π% , π' , … ,
π) ) + ,- ,- K ,- ~ Multi ,- |! + = 1, … , K ! ,% ,' ,) ! ,-
- • ! ", $ % = ! "
% ! $ % • !(", $, %) = ! " % ! $ % !(%) - • ! ", $ % = ! " % ! $ % • !(", $, %) = ! $ % ! % " !(") - • ! ", $ % ≠ ! " % ! $ % • !(", $, %) = ! % ", $ ! " !($) % " $ % " $ % " $
• • •
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Dir $ % = Γ ∑ )*+ , α)
∏ )*+ , Γ α) / )*+ , 0) 123+ 0) + α) 0)
Dir $ % = Γ ∑ )*+ , α)
∏ )*+ , Γ α) / )*+ , 0) 123+ 0) α) 0) 1 ∫ ∏ )*+ , 0) 123+ dx = ∏278 9 : 12 : ∑278 9 12 + 0) α) 0) 1 0) 123+
/3-! 30) 3- 10 $ →% = 10
+ 1, 10 + 1, 10 + 1 = {11, 11, 11} 3-$ 0 - *.$&"+ = { ⁄ - . , ⁄ - . , ⁄ - . } 1 #(% &"+ = { ⁄ - . , ⁄ /.1 . , ⁄ -.- . } 2 #(+',&"+ = { ⁄ 2.3 . , ⁄ /.- . , ⁄ /.- . }
• Dir $
% ∝ ' ()* + ,( -./* ! Dir $ = { ⁄ * 3 , ⁄ * 3 , ⁄ * 3 } % = {11, 11, 11} ∝ ⁄ * 3 *7× ⁄ * 3 *7× ⁄ * 3 *7 " Dir $ = { ⁄ * 3 , ⁄ 7.: 3 , ⁄ *.* 3 } % = {11, 11, 11} ∝ ⁄ * 3 *7× ⁄ 7.: 3 *7× ⁄ *.* 3 *7 # Dir $ = { ⁄ ;.< 3 , ⁄ 7.* 3 , ⁄ 7.* 3 } % = {11, 11, 11} ∝ ⁄ ;.< 3 *7× ⁄ 7.* 3 *7× ⁄ 7.* 3 *7 !(= 4.86×10/*B ) " (= 4.39×10/*B ) # (= 1.44×10/37 ) →
• • •
• •
• r p lc na • r g j
T m • o T e lc o r b M t r S A 8 s i 2 07 21 6 8 r 28 8 0 8 r
CDA G HI CDA E9B HI
175 2 532 40 5 2 40 00 1 40 2 . 6
• • •
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