Classifier Class Reference

#include <Classifier.h>

Inheritance diagram for Classifier:

Public Member Functions
	Classifier ()
void	initialize_weights (size_t numRows, size_t numColumns=1)
void	update_weights (const Matrix< double > &update, const Matrix< double > &delta)
Matrix< double >	transform (const Matrix< double > &in) override
Public Member Functions inherited from Predictor
virtual void	fit (const Matrix< double > &X, const Matrix< double > &y)=0
virtual Matrix< double >	predict (const Matrix< double > &)=0
virtual Matrix< double >	transform (const Matrix< double > &)=0

Public Attributes
Matrix< double >	weights
	Vector holding weights. More...
Matrix< double >	costs
	Vector holding classification error per epoch. More...

Protected Attributes
bool	w_initialized = false
	flag to initialize weights only once More...

Detailed Description

Classifier template class

Inherit and implement:

• fit: method used to train the classifier
  • initializes weights
  • cycles through epochs
    • updates weights
    • calculates cost of current epoch
• predict: method used to predict the output for given input
• activation: method to activate a given input
• netInput: converts activated output into net output
• costFunction: method to calculate the current cost

Constructor & Destructor Documentation

Classifier()

Classifier::Classifier ( )

inline

default constructor

Parameters

_eta	learning rate
_n_iter	number learning iterations

Member Function Documentation

initialize_weights()

void Classifier::initialize_weights ( size_t  numRows, size_t  numColumns = 1  )

inline

Initialization method for weights hold by the classifier

Parameters

numRows	number rows
numColumns	number columns

transform()

Matrix< double > Classifier::transform ( const Matrix< double > &  in )

inlineoverridevirtual

Implements Predictor.

update_weights()

void Classifier::update_weights ( const Matrix< double > &  update, const Matrix< double > &  delta  )

inline

Member Data Documentation

costs

Matrix<double> Classifier::costs

Vector holding classification error per epoch.

w_initialized

bool Classifier::w_initialized = false

protected

flag to initialize weights only once

weights

Matrix<double> Classifier::weights

Vector holding weights.

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The documentation for this class was generated from the following file:

• include/math/ds/Classifier.h