java.lang.Object
- weka.core.converters.AbstractSaver
- - weka.core.converters.AbstractFileSaver
  - - weka.core.converters.C45Saver

All Implemented Interfaces:

java.io.Serializable, CapabilitiesHandler, BatchConverter, FileSourcedConverter, IncrementalConverter, Saver, EnvironmentHandler, OptionHandler, RevisionHandler
```
public class C45Saver
extends AbstractFileSaver
implements BatchConverter, IncrementalConverter, OptionHandler
```
Writes to a destination that is in the format used by the C4.5 algorithm.
Therefore it outputs a names and a data file.
Valid options are:
```
 -i <the input file>
 The input file
 
```
```
 -o <the output file>
 The output file
 
```
```
 -c <the class index>
 The class index
 
```
Version:

$Revision: 1.7 $

Author:

Stefan Mutter (mutter@cs.waikato.ac.nz)

See Also:

Saver, Serialized Form

Field Summary
- Fields inherited from interface weka.core.converters.Saver
  BATCH, INCREMENTAL, NONE

Constructor Summary

Constructors
Constructor Description

C45Saver()
Constructor

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Capabilities`	`getCapabilities()`	Returns the Capabilities of this saver.
`java.lang.String`	`getFileDescription()`	Returns a description of the file type.
`java.lang.String[]`	`getOptions()`	Gets the current settings of the C45Saver object.
`java.lang.String`	`getRevision()`	Returns the revision string.
`java.lang.String`	`globalInfo()`	Returns a string describing this Saver
`java.util.Enumeration`	`listOptions()`	Returns an enumeration describing the available options.
`static void`	`main(java.lang.String[] args)`	Main method.
`void`	`resetOptions()`	Resets the Saver
`void`	`setOptions(java.lang.String[] options)`	Parses a given list of options.
`void`	`writeBatch()`	Writes a Batch of instances
`void`	`writeIncremental(Instance inst)`	Saves an instances incrementally.

Methods inherited from class weka.core.converters.AbstractFileSaver
cancel, filePrefix, getFileExtension, getFileExtensions, getUseRelativePath, getWriter, resetWriter, retrieveDir, retrieveFile, runFileSaver, setDestination, setDestination, setDir, setDirAndPrefix, setEnvironment, setFile, setFilePrefix, setUseRelativePath, useRelativePathTipText

Methods inherited from class weka.core.converters.AbstractSaver
getInstances, getWriteMode, resetStructure, setInstances, setRetrieval, setStructure

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - C45Saver
```
public C45Saver()
```
    Constructor
- Method Detail
  - globalInfo
```
public java.lang.String globalInfo()
```
    Returns a string describing this Saver
    
    Returns:
    
    a description of the Saver suitable for displaying in the explorer/experimenter gui
  - getFileDescription
```
public java.lang.String getFileDescription()
```
    Returns a description of the file type.
    
    Specified by:
    
    getFileDescription in interface FileSourcedConverter
    
    Specified by:
    
    getFileDescription in class AbstractFileSaver
    
    Returns:
    
    a short file description
  - resetOptions
```
public void resetOptions()
```
    Resets the Saver
    
    Overrides:
    
    resetOptions in class AbstractFileSaver
  - getCapabilities
```
public Capabilities getCapabilities()
```
    Returns the Capabilities of this saver.
    
    Specified by:
    
    getCapabilities in interface CapabilitiesHandler
    
    Overrides:
    
    getCapabilities in class AbstractSaver
    
    Returns:
    
    the capabilities of this object
    
    See Also:
    
    Capabilities
  - writeIncremental
```
public void writeIncremental(Instance inst)
                      throws java.io.IOException
```
    Saves an instances incrementally. Structure has to be set by using the setStructure() method or setInstances() method.
    
    Specified by:
    
    writeIncremental in interface Saver
    
    Overrides:
    
    writeIncremental in class AbstractSaver
    
    Parameters:
    
    inst - the instance to save
    
    Throws:
    
    java.io.IOException - throws IOEXception if an instance cannot be saved incrementally.
  - writeBatch
```
public void writeBatch()
                throws java.io.IOException
```
    Writes a Batch of instances
    
    Specified by:
    
    writeBatch in interface Saver
    
    Specified by:
    
    writeBatch in class AbstractSaver
    
    Throws:
    
    java.io.IOException - throws IOException if saving in batch mode is not possible
  - listOptions
```
public java.util.Enumeration listOptions()
```
    Returns an enumeration describing the available options.
    
    Specified by:
    
    listOptions in interface OptionHandler
    
    Overrides:
    
    listOptions in class AbstractFileSaver
    
    Returns:
    
    an enumeration of all the available options.
  - setOptions
```
public void setOptions(java.lang.String[] options)
                throws java.lang.Exception
```
    Parses a given list of options.
    Valid options are:
    
    -i <the input file> The input file
    
    -o <the output file> The output file
    
    -c <the class index> The class index
    Specified by:
    
    setOptions in interface OptionHandler
    
    Overrides:
    
    setOptions in class AbstractFileSaver
    
    Parameters:
    
    options - the list of options as an array of strings
    
    Throws:
    
    java.lang.Exception - if an option is not supported
  - getOptions
```
public java.lang.String[] getOptions()
```
    Gets the current settings of the C45Saver object.
    
    Specified by:
    
    getOptions in interface OptionHandler
    
    Overrides:
    
    getOptions in class AbstractFileSaver
    
    Returns:
    
    an array of strings suitable for passing to setOptions
  - getRevision
```
public java.lang.String getRevision()
```
    Returns the revision string.
    
    Specified by:
    
    getRevision in interface RevisionHandler
    
    Returns:
    
    the revision
  - main
```
public static void main(java.lang.String[] args)
```
    Main method.
    
    Parameters:
    
    args - should contain the options of a Saver.

Class C45Saver

Field Summary

Fields inherited from interface weka.core.converters.Saver

Constructor Summary

Method Summary

Methods inherited from class weka.core.converters.AbstractFileSaver

Methods inherited from class weka.core.converters.AbstractSaver

Methods inherited from class java.lang.Object

Constructor Detail

C45Saver

Method Detail

globalInfo

getFileDescription

resetOptions

getCapabilities

writeIncremental

writeBatch

listOptions

setOptions

getOptions

getRevision

main