Class HistogramGenerator

java.lang.Object
  HistogramGenerator

public class HistogramGenerator
extends Object

Class to generate a histogram

Author:

Mark Guzdial, Barb Ericson

Constructor Summary

HistogramGenerator()

Method Summary

void	countValues(String inputFile, int factor) Method to read a set of values from the inputFile create even bins based on the passed factor.
void	countValuesForKeys(String inputFile, double[] keys) Method to read a set of values from the inputFile and create bins based on the array of keys.
static void	genNewNormal() Method to generate the normal histogram
static void	genNormal() Method to generate the normal histogram
static void	genUniform() Generate the histogram from the uniform data
static void	main(String[] args) Main method for testing
void	writeFile(String fileName) Method to output the keys and values in the histogram to a file

Methods inherited from class java.lang.Object

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

Constructor Detail

HistogramGenerator

public HistogramGenerator()

Method Detail

countValuesForKeys

public void countValuesForKeys(String inputFile,
                               double[] keys)

Method to read a set of values from the inputFile and create bins based on the array of keys. This will count the number of values in each bin. Any value larger than the last key will be put in the last bin.

Parameters:

inputFile - the file to read from

an - array of key values to use

countValues

public void countValues(String inputFile,
                        int factor)

Method to read a set of values from the inputFile create even bins based on the passed factor. This will count the number of values in each bin.

Parameters:

inputFile - the file to read from

factor - the factor to use to break the values into bins

writeFile

public void writeFile(String fileName)

Method to output the keys and values in the histogram to a file

Parameters:

fileName - the name of the file to write to

genUniform

public static void genUniform()

Generate the histogram from the uniform data

genNormal

public static void genNormal()

Method to generate the normal histogram

genNewNormal

public static void genNewNormal()

Method to generate the normal histogram

main

public static void main(String[] args)

Main method for testing