类 XRFFLoader
java.lang.Object
weka.core.converters.AbstractLoader
weka.core.converters.AbstractFileLoader
weka.core.converters.XRFFLoader
- 所有已实现的接口:
Serializable
,BatchConverter
,FileSourcedConverter
,Loader
,URLSourcedLoader
,EnvironmentHandler
,RevisionHandler
Reads a source that is in the XML version of the ARFF format. It automatically decompresses the data if the extension is '.xrff.gz'.
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字段概要
字段从接口继承的字段 weka.core.converters.Loader
BATCH, INCREMENTAL, NONE
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构造器概要
构造器 -
方法概要
修饰符和类型方法说明Return the full data set.Returns a description of the file type.Get the file extension used for libsvm filesString[]
Gets all the file extensions used for this type of filegetNextInstance
(Instances structure) XRFFLoader is unable to process a data set incrementally.Returns the revision string.Determines and returns (if possible) the structure (internally the header) of the data set as an empty set of instances.Returns a string describing this Loaderstatic void
Main method.void
reset()
Resets the Loader ready to read a new data setReturn the current urlvoid
Resets the Loader object and sets the source of the data set to be the supplied File object.void
setSource
(InputStream in) Resets the Loader object and sets the source of the data set to be the supplied InputStream.void
Resets the Loader object and sets the source of the data set to be the supplied url.void
Set the url to load from从类继承的方法 weka.core.converters.AbstractFileLoader
getUseRelativePath, retrieveFile, runFileLoader, setEnvironment, setFile, setUseRelativePath, useRelativePathTipText
从类继承的方法 weka.core.converters.AbstractLoader
setRetrieval
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字段详细资料
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FILE_EXTENSION
the file extension -
FILE_EXTENSION_COMPRESSED
the extension for compressed files
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构造器详细资料
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XRFFLoader
public XRFFLoader()
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方法详细资料
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globalInfo
Returns a string describing this Loader- 返回:
- a description of the Loader suitable for displaying in the explorer/experimenter gui
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getFileExtension
Get the file extension used for libsvm files- 指定者:
getFileExtension
在接口中FileSourcedConverter
- 返回:
- the file extension
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getFileExtensions
Gets all the file extensions used for this type of file- 指定者:
getFileExtensions
在接口中FileSourcedConverter
- 返回:
- the file extensions
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getFileDescription
Returns a description of the file type.- 指定者:
getFileDescription
在接口中FileSourcedConverter
- 返回:
- a short file description
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reset
Resets the Loader ready to read a new data set- 指定者:
reset
在接口中Loader
- 覆盖:
reset
在类中AbstractFileLoader
- 抛出:
IOException
- if something goes wrong
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setSource
Resets the Loader object and sets the source of the data set to be the supplied File object.- 指定者:
setSource
在接口中Loader
- 覆盖:
setSource
在类中AbstractFileLoader
- 参数:
file
- the source file.- 抛出:
IOException
- if an error occurs
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setSource
Resets the Loader object and sets the source of the data set to be the supplied url.- 参数:
url
- the source url.- 抛出:
IOException
- if an error occurs
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setURL
Set the url to load from- 指定者:
setURL
在接口中URLSourcedLoader
- 参数:
url
- the url to load from- 抛出:
IOException
- if the url can't be set.
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retrieveURL
Return the current url- 指定者:
retrieveURL
在接口中URLSourcedLoader
- 返回:
- the current url
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setSource
Resets the Loader object and sets the source of the data set to be the supplied InputStream.- 指定者:
setSource
在接口中Loader
- 覆盖:
setSource
在类中AbstractLoader
- 参数:
in
- the source InputStream.- 抛出:
IOException
- if initialization of reader fails.
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getStructure
Determines and returns (if possible) the structure (internally the header) of the data set as an empty set of instances.- 指定者:
getStructure
在接口中Loader
- 指定者:
getStructure
在类中AbstractLoader
- 返回:
- the structure of the data set as an empty set of Instances
- 抛出:
IOException
- if an error occurs
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getDataSet
Return the full data set. If the structure hasn't yet been determined by a call to getStructure then method should do so before processing the rest of the data set.- 指定者:
getDataSet
在接口中Loader
- 指定者:
getDataSet
在类中AbstractLoader
- 返回:
- the structure of the data set as an empty set of Instances
- 抛出:
IOException
- if there is no source or parsing fails
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getNextInstance
XRFFLoader is unable to process a data set incrementally.- 指定者:
getNextInstance
在接口中Loader
- 指定者:
getNextInstance
在类中AbstractLoader
- 参数:
structure
- ignored- 返回:
- never returns without throwing an exception
- 抛出:
IOException
- always. XRFFLoader is unable to process a data set incrementally.
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getRevision
Returns the revision string.- 指定者:
getRevision
在接口中RevisionHandler
- 返回:
- the revision
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main
Main method.- 参数:
args
- should contain the name of an input file.
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