org.encog.ml.data.versatile.sources

Class CSVDataSource

java.lang.Object

org.encog.ml.data.versatile.sources.CSVDataSource

All Implemented Interfaces:

VersatileDataSource

public class CSVDataSource
extends java.lang.Object
implements VersatileDataSource

Allow a CSV file to serve as a source for the versatile data source.

Constructor Summary

Constructors

Constructor and Description
CSVDataSource(java.io.File file, boolean headers, char delim) Construct a CSV source from a filename.
CSVDataSource(java.io.File file, boolean headers, CSVFormat format) Construct a CSV source from a filename.

Method Summary

Modifier and Type	Method and Description
int	columnIndex(java.lang.String name) Obtain the column index for the specified name.
java.lang.String[]	readLine() Read a line from the source.
void	rewind() Rewind the source back to the beginning.

Methods inherited from class java.lang.Object

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

Constructor Detail

CSVDataSource

public CSVDataSource(java.io.File file,
                     boolean headers,
                     char delim)

Construct a CSV source from a filename. The format parameter specifies the separator character to use, as well as the number format.

Parameters:

file - The file.

headers - The headers.

delim - The delimiter.

CSVDataSource

public CSVDataSource(java.io.File file,
                     boolean headers,
                     CSVFormat format)

Construct a CSV source from a filename. Allows a delimiter character to be specified.

Parameters:

file - The file.

headers - The headers.

format - The format.

Method Detail

readLine

public java.lang.String[] readLine()

Read a line from the source.

Specified by:

readLine in interface VersatileDataSource

Returns:

The values read.

rewind

public void rewind()

Rewind the source back to the beginning.

Specified by:

rewind in interface VersatileDataSource

columnIndex

public int columnIndex(java.lang.String name)

Obtain the column index for the specified name.

Specified by:

columnIndex in interface VersatileDataSource

Parameters:

name - The column name.

Returns:

The column index, or -1 if not found.