org.neuroph.util

Class DataSetStats

java.lang.Object

org.neuroph.util.DataSetStats

public class DataSetStats
extends Object

Utility class with methods for calculating dataset statistics Calculate everything in one pass and expose as attributes - like summary() in R Not only for inputs but also for outputs

Constructor Summary

Constructors

Constructor and Description
DataSetStats()

Method Summary

Modifier and Type	Method and Description
static double[]	inputsMax(DataSet dataSet)
static double[]	inputsMean(DataSet dataSet)
static double[]	inputsMin(DataSet dataSet)
static double[]	inputsStandardDeviation(DataSet dataSet, double[] mean)

Methods inherited from class java.lang.Object

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

Constructor Detail

DataSetStats

public DataSetStats()

Method Detail

inputsMean

public static double[] inputsMean(DataSet dataSet)

Parameters:

dataSet - Neuroph dataset

Returns:

arithmetic mean for each input in data set

inputsMax

public static double[] inputsMax(DataSet dataSet)

Parameters:

dataSet - Neuroph dataset

Returns:

maximum value for each input in data set

inputsMin

public static double[] inputsMin(DataSet dataSet)

Parameters:

dataSet - Neuroph dataset

Returns:

minimum value for each variable in data set

inputsStandardDeviation

public static double[] inputsStandardDeviation(DataSet dataSet,
                                               double[] mean)