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| Both sides previous revisionPrevious revision | Last revisionBoth sides next revision | ||
| data_mining:mutual_information [2015/08/14 02:13] – [Definitionen] phreazer | data_mining:mutual_information [2015/08/14 02:16] – [Definitionen] phreazer | ||
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| $D(P||Q) = KL(P,Q) = \sum_{x \in X} P(x) * log \frac{P(x)}{Q(x)}$ | $D(P||Q) = KL(P,Q) = \sum_{x \in X} P(x) * log \frac{P(x)}{Q(x)}$ | ||
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| + | ==== Beispiel: ==== | ||
| + | F ist Feature und T ist Target => I(F,B) | ||
| ===== Schätzer ===== | ===== Schätzer ===== | ||