net.librec.data

Interface DataConvertor

All Known Implementing Classes:

AbstractDataConvertor, ArffDataConvertor, TextDataConvertor

public interface DataConvertor

A DataConvertor is an interface to convert a data file from one source format to a target format.

Author:

WangYuFeng

Method Summary

Methods

Modifier and Type	Method and Description
SparseMatrix	getDatetimeMatrix() Returns a SparseMatrix object which stores time data.
SparseMatrix	getPreferenceMatrix() Returns a SparseMatrix object which stores rate data.
SparseTensor	getSparseTensor() Returns a SparseTensor object which stores rate data.
void	processData() Process the input data.

Method Detail

processData

void processData()
                 throws java.io.IOException

Process the input data.

Throws:

java.io.IOException - if the path is not valid

getPreferenceMatrix

SparseMatrix getPreferenceMatrix()

Returns a SparseMatrix object which stores rate data.

Returns:

a SparseMatrix object which stores rate data.

getDatetimeMatrix

SparseMatrix getDatetimeMatrix()

Returns a SparseMatrix object which stores time data.

Returns:

a SparseMatrix object which stores time data.

getSparseTensor

SparseTensor getSparseTensor()

Returns a SparseTensor object which stores rate data.

Returns:

a SparseTensor object which stores rate data.