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data_mining:naive_bayes [2015/08/04 14:51] – [Beispiel] phreazer | data_mining:naive_bayes [2015/08/04 15:02] – [Bayes rule] phreazer | ||
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====== Bayes rule ====== | ====== Bayes rule ====== | ||
- | Datensatz: | + | **Datensatz:** |
^ R ^ B | | ^ R ^ B | | ||
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R=y und B=y für i Fälle | R=y und B=y für i Fälle | ||
- | p(B|R) = i/r | + | * $p(B|R) = i/r$ |
- | p(R) = r/n | + | * $p(R) = r/n$ |
- | p(R und B) = i/n = (i/r) * (r/n) | + | * $p(R und B) = i/n = (i/r) * (r/n)$ |
- | p(B,R) = p(B|R) p(R) | + | * $p(B,R) = p(B|R) p(R)$ |
Bayes Rule: | Bayes Rule: |