Differences
This shows you the differences between two versions of the page.
Both sides previous revisionPrevious revision | Next revisionBoth sides next revision | ||
data_mining:entropie [2013/09/15 18:04] – [Mutual information] phreazer | data_mining:entropie [2013/09/15 18:24] – [Mutual information] phreazer | ||
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H(F) + H(B) - H(F,B) | H(F) + H(B) - H(F,B) | ||
- | |||
- | Smoothing | ||
- | $$ | ||
- | p(+)=0,75\\ | ||
- | p(-)=0,25\\ | ||
- | p(hate)=800/ | ||
- | p(~hate)=7200/ | ||
- | p(hate, | ||
- | p(~hate, | ||
- | p(hate, | ||
- | p(~hate, | ||
- | $$ | ||
Features selection => Die, die höchste MI haben, allerdings zu rechenintensiv | Features selection => Die, die höchste MI haben, allerdings zu rechenintensiv |