weka.core.stats

Class StatsFormatter

java.lang.Object

weka.core.stats.StatsFormatter

public class StatsFormatter
extends java.lang.Object

Class for formatting summary stats into nice readable output

Version:

$Revision: $

Author:

Mark Hall (mhall{[at]}pentaho{[dot]}com)

Constructor Summary

Constructors

Constructor and Description
StatsFormatter()

Method Summary

Modifier and Type	Method and Description
static java.lang.String	formatNumber(double number)
static java.lang.String	formatNumber(double number, int decimals)
static java.lang.String	formatNumberNoWidth(double number, int decimals)
static java.lang.String	formatStats(weka.core.Instances headerWithSummary, boolean quantiles, int decimalPlaces) Format stats contained in an Instance header that contains summary attributes
static java.lang.String	formatStats(weka.core.Instances header, Stats[] attributeStats, boolean quantiles, int decimalPlaces) Format stats contained in the supplied array of Stats objects

Methods inherited from class java.lang.Object

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

Constructor Detail

StatsFormatter

public StatsFormatter()

Method Detail

formatStats

public static java.lang.String formatStats(weka.core.Instances headerWithSummary,
                                           boolean quantiles,
                                           int decimalPlaces)
                                    throws DistributedWekaException

Format stats contained in an Instance header that contains summary attributes

Parameters:

headerWithSummary - the header with summary attributes

quantiles - true if quantiles were included

decimalPlaces - the number of decimal places to use in the output

Returns:

a formatted string containing the statistics for each attribute

Throws:

DistributedWekaException - if a problem occurs

formatStats

public static java.lang.String formatStats(weka.core.Instances header,
                                           Stats[] attributeStats,
                                           boolean quantiles,
                                           int decimalPlaces)

Format stats contained in the supplied array of Stats objects

Parameters:

attributeStats - the array of Stats objects

quantiles - true if quantiles were included

decimalPlaces - the number of decimal places to use in the output

Returns:

a formatted string containing the statistics for each attribute

formatNumber

public static java.lang.String formatNumber(double number)

formatNumber

public static java.lang.String formatNumber(double number,
                                            int decimals)

formatNumberNoWidth

public static java.lang.String formatNumberNoWidth(double number,
                                                   int decimals)