Package de.bwaldvogel.liblinear

Class Train

java.lang.Object

de.bwaldvogel.liblinear.Train

public class Train
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
private double	bias
private boolean	C_specified
private boolean	cross_validation
private boolean	find_parameters
private String	inputFilename
private String	modelFilename
private int	nr_fold
private boolean	P_specified
private Parameter	param
private Problem	prob
private boolean	solver_specified

Constructor Summary

Constructors

Constructor	Description
Train()

Method Summary

Modifier and Type	Method	Description
private static double[]	addToArray(double[] array, double newElement)
private static int[]	addToArray(int[] array, int newElement)
private static Problem	constructProblem(List<Double> vy, List<Feature[]> vx, int max_index, double bias)
private void	do_cross_validation()
private void	do_find_parameters()
private void	exit_with_help()
double	getBias()
(package private) int	getNumFolds()
Parameter	getParameter()
Problem	getProblem()
(package private) boolean	isFindParameters()
static void	main(String[] args)
void	parse_command_line(String[] argv)
static Problem	readProblem(File file, double bias)	Deprecated. use readProblem(Path, double) instead
static Problem	readProblem(File file, Charset charset, double bias)	Deprecated. use readProblem(Path, Charset, double) instead
static Problem	readProblem(InputStream inputStream, double bias)
static Problem	readProblem(InputStream inputStream, Charset charset, double bias)
void	readProblem(String filename)
void	readProblem(String filename, double bias)
void	readProblem(Path path)
static Problem	readProblem(Path path, double bias)	reads a problem from LibSVM format
static Problem	readProblem(Path path, Charset charset, double bias)
private void	run(String[] args)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

bias

private double bias

find_parameters

private boolean find_parameters

C_specified

private boolean C_specified

P_specified

private boolean P_specified

solver_specified

private boolean solver_specified

cross_validation

private boolean cross_validation

inputFilename

private String inputFilename

modelFilename

private String modelFilename

nr_fold

private int nr_fold

param

private Parameter param

prob

private Problem prob

Constructor Details

Train

public Train()

Method Details

main

public static void main(String[] args)
                 throws IOException,
InvalidInputDataException

Throws:

IOException

InvalidInputDataException

do_find_parameters

private void do_find_parameters()

do_cross_validation

private void do_cross_validation()

exit_with_help

private void exit_with_help()

getProblem

public Problem getProblem()

getBias

public double getBias()

getParameter

public Parameter getParameter()

parse_command_line

public void parse_command_line(String[] argv)

readProblem

public static Problem readProblem(File file,
 double bias)
                           throws IOException,
InvalidInputDataException

Deprecated.

use readProblem(Path, double) instead

reads a problem from LibSVM format

Parameters:

file - the SVM file

Throws:

IOException - obviously in case of any I/O exception ;)

InvalidInputDataException - if the input file is not correctly formatted

readProblem

public static Problem readProblem(Path path,
 double bias)
                           throws IOException,
InvalidInputDataException

reads a problem from LibSVM format

Throws:

IOException - obviously in case of any I/O exception ;)

InvalidInputDataException - if the input file is not correctly formatted

readProblem

public static Problem readProblem(File file,
 Charset charset,
 double bias)
                           throws IOException,
InvalidInputDataException

Deprecated.

use readProblem(Path, Charset, double) instead

Throws:

IOException

InvalidInputDataException

readProblem

public static Problem readProblem(Path path,
 Charset charset,
 double bias)
                           throws IOException,
InvalidInputDataException

Throws:

IOException

InvalidInputDataException

readProblem

public static Problem readProblem(InputStream inputStream,
 double bias)
                           throws IOException,
InvalidInputDataException

Throws:

IOException

InvalidInputDataException

readProblem

public static Problem readProblem(InputStream inputStream,
 Charset charset,
 double bias)
                           throws IOException,
InvalidInputDataException

Throws:

IOException

InvalidInputDataException

readProblem

public void readProblem(Path path)
                 throws IOException,
InvalidInputDataException

Throws:

IOException

InvalidInputDataException

readProblem

public void readProblem(String filename)
                 throws IOException,
InvalidInputDataException

Throws:

IOException

InvalidInputDataException

readProblem

public void readProblem(String filename,
 double bias)
                 throws IOException,
InvalidInputDataException

Throws:

IOException

InvalidInputDataException

addToArray

private static int[] addToArray(int[] array,
 int newElement)

addToArray

private static double[] addToArray(double[] array,
 double newElement)

constructProblem

private static Problem constructProblem(List<Double> vy,
 List<Feature[]> vx,
 int max_index,
 double bias)

run

private void run(String[] args)
          throws IOException,
InvalidInputDataException

Throws:

IOException

InvalidInputDataException

isFindParameters

boolean isFindParameters()

getNumFolds

int getNumFolds()