java.lang.Object
- weka.core.xml.XMLDocument
- - weka.core.xml.XMLInstances

All Implemented Interfaces:

Serializable, RevisionHandler
```
public class XMLInstances
extends XMLDocument
implements Serializable
```
XML representation of the Instances class.

Version:

$Revision$

Author:

fracpete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type	Field	Description
`static String`	`ATT_CLASS`	the class attribute
`static String`	`ATT_FORMAT`	the format attribute (for date attributes)
`static String`	`ATT_INDEX`	the index attribute
`static String`	`ATT_MISSING`	the missing attribute
`static String`	`ATT_TYPE`	the type attribute
`static String`	`ATT_VERSION`	the version attribute
`static String`	`ATT_WEIGHT`	the weight attribute
`static String`	`DOCTYPE`	the DTD
`static String`	`FILE_EXTENSION`	The filename extension that should be used for xrff files
`static String`	`TAG_ATTRIBUTE`	the attribute element
`static String`	`TAG_ATTRIBUTES`	the attributes element
`static String`	`TAG_BODY`	the body element
`static String`	`TAG_DATASET`	the root element
`static String`	`TAG_HEADER`	the header element
`static String`	`TAG_INSTANCE`	the instance element
`static String`	`TAG_INSTANCES`	the data element
`static String`	`TAG_LABEL`	the label element
`static String`	`TAG_LABELS`	the labels element
`static String`	`TAG_METADATA`	the meta-data element
`static String`	`TAG_NOTES`	the notes element
`static String`	`TAG_PROPERTY`	the property element
`static String`	`TAG_VALUE`	the value element
`static String`	`VAL_DATE`	the value for date
`static String`	`VAL_NOMINAL`	the value for nominal
`static String`	`VAL_NORMAL`	the value for normal
`static String`	`VAL_NUMERIC`	the value for numeric
`static String`	`VAL_RELATIONAL`	the value for relational
`static String`	`VAL_SPARSE`	the value for sparse
`static String`	`VAL_STRING`	the value for string

Fields inherited from class weka.core.xml.XMLDocument
ATT_NAME, DTD_ANY, DTD_AT_LEAST_ONE, DTD_ATTLIST, DTD_CDATA, DTD_DOCTYPE, DTD_ELEMENT, DTD_IMPLIED, DTD_OPTIONAL, DTD_PCDATA, DTD_REQUIRED, DTD_SEPARATOR, DTD_ZERO_OR_MORE, PI, VAL_NO, VAL_YES

Constructor Summary

Constructors
Constructor	Description
`XMLInstances()`	the default constructor
`XMLInstances(Reader reader)`	generates the Instances directly from the reader containing the XML data.
`XMLInstances(Instances data)`	generates the XML structure based on the given data

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Instances`	`getInstances()`	returns the current instances, either the ones that were set or the ones that were generated from the XML structure.
`String`	`getRevision()`	Returns the revision string.
`static void`	`main(String[] args)`	takes an XML document as first argument and then outputs the Instances statistics
`void`	`setInstances(Instances data)`	builds up the XML structure based on the given data
`void`	`setXML(Reader reader)`	reads the XML structure from the given reader

Methods inherited from class weka.core.xml.XMLDocument
clear, evalBoolean, evalDouble, evalString, findNodes, getBuilder, getChildTags, getChildTags, getContent, getDocType, getDocument, getFactory, getNode, getRootNode, getValidating, newDocument, print, read, read, read, read, setDocType, setDocument, setRootNode, setValidating, toString, write, write, write, write

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

- Field Detail
  - FILE_EXTENSION
```
public static String FILE_EXTENSION
```
    The filename extension that should be used for xrff files
  - TAG_DATASET
```
public static final String TAG_DATASET
```
    the root element
    
    See Also:
    
    Constant Field Values
  - TAG_HEADER
```
public static final String TAG_HEADER
```
    the header element
    
    See Also:
    
    Constant Field Values
  - TAG_BODY
```
public static final String TAG_BODY
```
    the body element
    
    See Also:
    
    Constant Field Values
  - TAG_NOTES
```
public static final String TAG_NOTES
```
    the notes element
    
    See Also:
    
    Constant Field Values
  - TAG_ATTRIBUTES
```
public static final String TAG_ATTRIBUTES
```
    the attributes element
    
    See Also:
    
    Constant Field Values
  - TAG_ATTRIBUTE
```
public static final String TAG_ATTRIBUTE
```
    the attribute element
    
    See Also:
    
    Constant Field Values
  - TAG_LABELS
```
public static final String TAG_LABELS
```
    the labels element
    
    See Also:
    
    Constant Field Values
  - TAG_LABEL
```
public static final String TAG_LABEL
```
    the label element
    
    See Also:
    
    Constant Field Values
  - TAG_METADATA
```
public static final String TAG_METADATA
```
    the meta-data element
    
    See Also:
    
    Constant Field Values
  - TAG_PROPERTY
```
public static final String TAG_PROPERTY
```
    the property element
    
    See Also:
    
    Constant Field Values
  - TAG_INSTANCES
```
public static final String TAG_INSTANCES
```
    the data element
    
    See Also:
    
    Constant Field Values
  - TAG_INSTANCE
```
public static final String TAG_INSTANCE
```
    the instance element
    
    See Also:
    
    Constant Field Values
  - TAG_VALUE
```
public static final String TAG_VALUE
```
    the value element
    
    See Also:
    
    Constant Field Values
  - ATT_VERSION
```
public static final String ATT_VERSION
```
    the version attribute
    
    See Also:
    
    Constant Field Values
  - ATT_TYPE
```
public static final String ATT_TYPE
```
    the type attribute
    
    See Also:
    
    Constant Field Values
  - ATT_FORMAT
```
public static final String ATT_FORMAT
```
    the format attribute (for date attributes)
    
    See Also:
    
    Constant Field Values
  - ATT_CLASS
```
public static final String ATT_CLASS
```
    the class attribute
    
    See Also:
    
    Constant Field Values
  - ATT_INDEX
```
public static final String ATT_INDEX
```
    the index attribute
    
    See Also:
    
    Constant Field Values
  - ATT_WEIGHT
```
public static final String ATT_WEIGHT
```
    the weight attribute
    
    See Also:
    
    Constant Field Values
  - ATT_MISSING
```
public static final String ATT_MISSING
```
    the missing attribute
    
    See Also:
    
    Constant Field Values
  - VAL_NUMERIC
```
public static final String VAL_NUMERIC
```
    the value for numeric
    
    See Also:
    
    Constant Field Values
  - VAL_DATE
```
public static final String VAL_DATE
```
    the value for date
    
    See Also:
    
    Constant Field Values
  - VAL_NOMINAL
```
public static final String VAL_NOMINAL
```
    the value for nominal
    
    See Also:
    
    Constant Field Values
  - VAL_STRING
```
public static final String VAL_STRING
```
    the value for string
    
    See Also:
    
    Constant Field Values
  - VAL_RELATIONAL
```
public static final String VAL_RELATIONAL
```
    the value for relational
    
    See Also:
    
    Constant Field Values
  - VAL_NORMAL
```
public static final String VAL_NORMAL
```
    the value for normal
    
    See Also:
    
    Constant Field Values
  - VAL_SPARSE
```
public static final String VAL_SPARSE
```
    the value for sparse
    
    See Also:
    
    Constant Field Values
  - DOCTYPE
```
public static final String DOCTYPE
```
    the DTD
- Constructor Detail
  - XMLInstances
```
public XMLInstances()
             throws Exception
```
    the default constructor
    
    Throws:
    
    Exception - if XML initialization fails
  - XMLInstances
```
public XMLInstances(Instances data)
             throws Exception
```
    generates the XML structure based on the given data
    
    Parameters:
    
    data - the data to build the XML structure from
    
    Throws:
    
    Exception - if initialization/generation fails
  - XMLInstances
```
public XMLInstances(Reader reader)
             throws Exception
```
    generates the Instances directly from the reader containing the XML data.
    
    Parameters:
    
    reader - the reader for the XML data
    
    Throws:
    
    Exception - if something goes wrong
- Method Detail
  - setInstances
```
public void setInstances(Instances data)
```
    builds up the XML structure based on the given data
    
    Parameters:
    
    data - data to generate the XML from
  - getInstances
```
public Instances getInstances()
```
    returns the current instances, either the ones that were set or the ones that were generated from the XML structure.
    
    Returns:
    
    the current instances
  - setXML
```
public void setXML(Reader reader)
            throws Exception
```
    reads the XML structure from the given reader
    
    Parameters:
    
    reader - the reader to get the XML from
    
    Throws:
    
    Exception - if
  - getRevision
```
public String getRevision()
```
    Returns the revision string.
    
    Specified by:
    
    getRevision in interface RevisionHandler
    
    Overrides:
    
    getRevision in class XMLDocument
    
    Returns:
    
    the revision
  - main
```
public static void main(String[] args)
```
    takes an XML document as first argument and then outputs the Instances statistics
    
    Parameters:
    
    args - the commandline options

Class XMLInstances

Field Summary

Fields inherited from class weka.core.xml.XMLDocument

Constructor Summary

Method Summary

Methods inherited from class weka.core.xml.XMLDocument

Methods inherited from class java.lang.Object

Field Detail

FILE_EXTENSION

TAG_DATASET

TAG_HEADER

TAG_BODY

TAG_NOTES

TAG_ATTRIBUTES

TAG_ATTRIBUTE

TAG_LABELS

TAG_LABEL

TAG_METADATA

TAG_PROPERTY

TAG_INSTANCES

TAG_INSTANCE

TAG_VALUE

ATT_VERSION

ATT_TYPE

ATT_FORMAT

ATT_CLASS

ATT_INDEX

ATT_WEIGHT

ATT_MISSING

VAL_NUMERIC

VAL_DATE

VAL_NOMINAL

VAL_STRING

VAL_RELATIONAL

VAL_NORMAL

VAL_SPARSE

DOCTYPE

Constructor Detail

XMLInstances

XMLInstances

XMLInstances

Method Detail

setInstances

getInstances

setXML

getRevision

main