forpy 2

Classes
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.