data_mining:entropie

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data_mining:entropie [2013/09/15 16:46] – [Mutual information] phreazerdata_mining:entropie [2013/09/15 17:20] – [Mutual information] phreazer
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 H(F) + H(B) - H(F,B) H(F) + H(B) - H(F,B)
 +
 +Smoothing
 +$$
 +p(+)=0,75\\
 +p(-)=0,25\\
 +p(hate)=800/8000\\
 +p(~hate)=7200/8000\\
 +p(hate,+)=1/8000 \text{(kommt in keinem positiven Kommentar vor, 1 anstelle von Null => Smoothing)}\\
 +p(~hate,+)=6000/8000\\
 +p(hate,-)=1200/8000\\
 +p(~hate,-)=0,1
 +$$
  
  • data_mining/entropie.txt
  • Last modified: 2017/09/09 12:53
  • by phreazer