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GiniCriterion Class Reference
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#include <vigra/random_forest/rf_split.hxx>
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| template<class Array , class Array2 > |
| double | operator() (Array const &hist, Array2 const &weights, double total=1.0) const |
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| template<class Array > |
| double | operator() (Array const &hist, double total=1.0) const |
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| template<class Array > |
| static double | impurity (Array const &hist, double total) |
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| template<class Array , class Array2 > |
| static double | impurity (Array const &hist, Array2 const &weights, double total) |
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Detailed Description
Functor to calculate the gini impurity
| double operator() |
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Array const & |
hist, |
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Array2 const & |
weights, |
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double |
total = 1.0 |
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calculate the weighted gini impurity based on class histogram and class weights
| double operator() |
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Array const & |
hist, |
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double |
total = 1.0 |
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calculate the gini based impurity based on class histogram
| static double impurity |
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Array const & |
hist, |
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double |
total |
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static |
static version of operator(hist total)
| static double impurity |
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Array const & |
hist, |
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Array2 const & |
weights, |
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double |
total |
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) |
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static |
static version of operator(hist, weights, total)
The documentation for this class was generated from the following file: