public class LibSVMLoader extends AbstractFileLoader implements BatchConverter, URLSourcedLoader
Loader
,
Serialized FormModifier and Type | Field and Description |
---|---|
static java.lang.String |
FILE_EXTENSION
the file extension.
|
FILE_EXTENSION_COMPRESSED
BATCH, INCREMENTAL, NONE
Constructor and Description |
---|
LibSVMLoader() |
Modifier and Type | Method and Description |
---|---|
Instances |
getDataSet()
Return the full data set.
|
java.lang.String |
getFileDescription()
Returns a description of the file type.
|
java.lang.String |
getFileExtension()
Get the file extension used for libsvm files.
|
java.lang.String[] |
getFileExtensions()
Gets all the file extensions used for this type of file.
|
Instance |
getNextInstance(Instances structure)
LibSVmLoader is unable to process a data set incrementally.
|
java.lang.String |
getRevision()
Returns the revision string.
|
Instances |
getStructure()
Determines and returns (if possible) the structure (internally the header)
of the data set as an empty set of instances.
|
java.lang.String |
globalInfo()
Returns a string describing this Loader.
|
static void |
main(java.lang.String[] args)
Main method.
|
void |
reset()
Resets the Loader ready to read a new data set.
|
java.lang.String |
retrieveURL()
Return the current url.
|
void |
setSource(java.io.InputStream in)
Resets the Loader object and sets the source of the data set to be the
supplied InputStream.
|
void |
setSource(java.net.URL url)
Resets the Loader object and sets the source of the data set to be the
supplied url.
|
void |
setURL(java.lang.String url)
Set the url to load from.
|
getUseRelativePath, retrieveFile, runFileLoader, setEnvironment, setFile, setSource, setUseRelativePath, useRelativePathTipText
setRetrieval
public java.lang.String globalInfo()
public java.lang.String getFileExtension()
getFileExtension
in interface FileSourcedConverter
public java.lang.String[] getFileExtensions()
getFileExtensions
in interface FileSourcedConverter
public java.lang.String getFileDescription()
getFileDescription
in interface FileSourcedConverter
public void reset() throws java.io.IOException
reset
in interface Loader
reset
in class AbstractFileLoader
java.io.IOException
- if something goes wrongpublic void setSource(java.net.URL url) throws java.io.IOException
url
- the source url.java.io.IOException
- if an error occurspublic void setURL(java.lang.String url) throws java.io.IOException
setURL
in interface URLSourcedLoader
url
- the url to load fromjava.io.IOException
- if the url can't be set.public java.lang.String retrieveURL()
retrieveURL
in interface URLSourcedLoader
public void setSource(java.io.InputStream in) throws java.io.IOException
setSource
in interface Loader
setSource
in class AbstractLoader
in
- the source InputStream.java.io.IOException
- if initialization of reader fails.public Instances getStructure() throws java.io.IOException
getStructure
in interface Loader
getStructure
in class AbstractLoader
java.io.IOException
- if an error occurspublic Instances getDataSet() throws java.io.IOException
getDataSet
in interface Loader
getDataSet
in class AbstractLoader
java.io.IOException
- if there is no source or parsing failspublic Instance getNextInstance(Instances structure) throws java.io.IOException
getNextInstance
in interface Loader
getNextInstance
in class AbstractLoader
structure
- ignoredjava.io.IOException
- always. LibSVMLoader is unable to process a data set
incrementally.public java.lang.String getRevision()
getRevision
in interface RevisionHandler
public static void main(java.lang.String[] args)
args
- should contain the name of an input file.