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java.lang.Objectweka.filters.Filter
weka.filters.supervised.instance.StratifiedRemoveFolds
public class StratifiedRemoveFolds
This filter takes a dataset and outputs a specified fold for cross validation. If you do not want the folds to be stratified use the unsupervised version.
Valid options are:-V Specifies if inverse of selection is to be output.
-N <number of folds> Specifies number of folds dataset is split into. (default 10)
-F <fold> Specifies which fold is selected. (default 1)
-S <seed> Specifies random number seed. (default 0, no randomizing)
Constructor Summary | |
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StratifiedRemoveFolds()
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Method Summary | |
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boolean |
batchFinished()
Signify that this batch of input to the filter is finished. |
java.lang.String |
foldTipText()
Returns the tip text for this property |
Capabilities |
getCapabilities()
Returns the Capabilities of this filter. |
int |
getFold()
Gets the fold which is selected. |
boolean |
getInvertSelection()
Gets if selection is to be inverted. |
int |
getNumFolds()
Gets the number of folds in which dataset is to be split into. |
java.lang.String[] |
getOptions()
Gets the current settings of the filter. |
java.lang.String |
getRevision()
Returns the revision string. |
long |
getSeed()
Gets the random number seed used for shuffling the dataset. |
java.lang.String |
globalInfo()
Returns a string describing this filter |
boolean |
input(Instance instance)
Input an instance for filtering. |
java.lang.String |
invertSelectionTipText()
Returns the tip text for this property |
java.util.Enumeration |
listOptions()
Gets an enumeration describing the available options.. |
static void |
main(java.lang.String[] argv)
Main method for testing this class. |
java.lang.String |
numFoldsTipText()
Returns the tip text for this property |
java.lang.String |
seedTipText()
Returns the tip text for this property |
void |
setFold(int fold)
Selects a fold. |
boolean |
setInputFormat(Instances instanceInfo)
Sets the format of the input instances. |
void |
setInvertSelection(boolean inverse)
Sets if selection is to be inverted. |
void |
setNumFolds(int numFolds)
Sets the number of folds the dataset is split into. |
void |
setOptions(java.lang.String[] options)
Parses a given list of options. |
void |
setSeed(long seed)
Sets the random number seed for shuffling the dataset. |
Methods inherited from class weka.filters.Filter |
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batchFilterFile, filterFile, getCapabilities, getOutputFormat, isFirstBatchDone, isNewBatch, isOutputFormatDefined, makeCopies, makeCopy, numPendingOutput, output, outputPeek, toString, useFilter, wekaStaticWrapper |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public StratifiedRemoveFolds()
Method Detail |
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public java.util.Enumeration listOptions()
listOptions
in interface OptionHandler
public void setOptions(java.lang.String[] options) throws java.lang.Exception
-V Specifies if inverse of selection is to be output.
-N <number of folds> Specifies number of folds dataset is split into. (default 10)
-F <fold> Specifies which fold is selected. (default 1)
-S <seed> Specifies random number seed. (default 0, no randomizing)
setOptions
in interface OptionHandler
options
- the list of options as an array of strings
java.lang.Exception
- if an option is not supportedpublic java.lang.String[] getOptions()
getOptions
in interface OptionHandler
public java.lang.String globalInfo()
public java.lang.String invertSelectionTipText()
public boolean getInvertSelection()
public void setInvertSelection(boolean inverse)
inverse
- true if inversion is to be performedpublic java.lang.String numFoldsTipText()
public int getNumFolds()
public void setNumFolds(int numFolds)
numFolds
- number of folds dataset is to be split into
java.lang.IllegalArgumentException
- if number of folds is negativepublic java.lang.String foldTipText()
public int getFold()
public void setFold(int fold)
fold
- the fold to be selected.
java.lang.IllegalArgumentException
- if fold's index is smaller than 1public java.lang.String seedTipText()
public long getSeed()
public void setSeed(long seed)
seed
- the random number seedpublic Capabilities getCapabilities()
getCapabilities
in interface CapabilitiesHandler
getCapabilities
in class Filter
Capabilities
public boolean setInputFormat(Instances instanceInfo) throws java.lang.Exception
setInputFormat
in class Filter
instanceInfo
- an Instances object containing the input instance
structure (any instances contained in the object are ignored - only the
structure is required).
java.lang.Exception
- if the input format can't be set successfullypublic boolean input(Instance instance)
input
in class Filter
instance
- the input instance
java.lang.IllegalStateException
- if no input structure has been definedpublic boolean batchFinished()
batchFinished
in class Filter
java.lang.IllegalStateException
- if no input structure has been definedpublic java.lang.String getRevision()
getRevision
in interface RevisionHandler
getRevision
in class Filter
public static void main(java.lang.String[] argv)
argv
- should contain arguments to the filter: use -h for help
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