data_mining:large_datasets

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data_mining:large_datasets [2014/09/06 14:41]
phreazer
data_mining:large_datasets [2014/09/06 14:45] (current)
phreazer [Online Learning]
Line 52: Line 52:
  
 ===== Online Learning ===== ===== Online Learning =====
 +Wenn kontinuierlicher Datenzufluss.
 +
 Lernen von $p(y=1|x;​\theta)$ um Preis zu optimieren. Lernen von $p(y=1|x;​\theta)$ um Preis zu optimieren.
 +
 +  Repeat forever {
 +    Get (x,y) corresponding to user.
 +    Update \theta using (x,y)
 +      \theta_j = \theta_j - \alpha (h_\theta(x)-y) x_j
 +  }
 +
  
  • data_mining/large_datasets.txt
  • Last modified: 2014/09/06 14:45
  • by phreazer