forpy  2
Impurity Measures

Impurity measures for calculating \(H\). More...

Classes

class  forpy::ClassificationError
 Computes the classification error as \(1-\max(p_i)\). More...
 
class  forpy::IEntropyFunction
 Interface for an entropy calculation functor. More...
 
class  forpy::InducedEntropy
 Computes the induced p entropy. More...
 
class  forpy::RenyiEntropy
 Computes the Renyi entropy. More...
 
class  forpy::ShannonEntropy
 Computes the classical Shannon-Entropy. More...
 
class  forpy::TsallisEntropy
 Computes the Tsallis entropy. More...
 

Detailed Description

Impurity measures for calculating \(H\).

They are currently only used for providing classification impurities. The differential entropy has theoretical and practical disadvantages and has been omitted so far in favor of direct MSE optimization.