ca.pfv.spmf.tools.dataset_generator

Class TransactionDatasetUtilityGenerator

java.lang.Object

ca.pfv.spmf.tools.dataset_generator.TransactionDatasetUtilityGenerator

public class TransactionDatasetUtilityGenerator
extends java.lang.Object

Convert a transaction database to a transaction database with utility values from the source code.

Constructor Summary

Constructors

Constructor and Description
TransactionDatasetUtilityGenerator()

Method Summary

Modifier and Type	Method and Description
void	convert(java.lang.String input, java.lang.String output, int maxQuantity, double externalUtilityFactor) Convert a transaction database to a transaction database with utility values from the source code.

Methods inherited from class java.lang.Object

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

Constructor Detail

TransactionDatasetUtilityGenerator

public TransactionDatasetUtilityGenerator()

Method Detail

convert

public void convert(java.lang.String input,
                    java.lang.String output,
                    int maxQuantity,
                    double externalUtilityFactor)
             throws java.lang.NumberFormatException,
                    java.io.IOException

Convert a transaction database to a transaction database with utility values from the source code.

Parameters:

input - the input file path (a transaction database in SPMF format)

output - the output file path

maxQuantity - the maximum quantity of each item in a transaction

externalUtilityFactor - the external utility of items generated by Random.nextGaussian() will be multiplied by this value

Throws:

java.io.IOException - if an error while reading/writting files.

java.lang.NumberFormatException