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java.lang.Objectweka.filters.Filter
weka.filters.unsupervised.instance.Normalize
public class Normalize
An instance filter that normalize instances considering only numeric attributes and ignoring class index.
Valid options are:-N <num> Specify the norm that each instance must have (default 1.0)
-L <num> Specify L-norm to use (default 2.0)
Constructor Summary | |
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Normalize()
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Method Summary | |
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Capabilities |
getCapabilities()
Returns the Capabilities of this filter. |
double |
getLNorm()
Get the L Norm used. |
double |
getNorm()
Get the instance's Norm. |
java.lang.String[] |
getOptions()
Gets the current settings of the filter. |
java.lang.String |
getRevision()
Returns the revision string. |
java.lang.String |
globalInfo()
Returns a string describing this filter |
boolean |
input(Instance instance)
Input an instance for filtering. |
java.util.Enumeration |
listOptions()
Returns an enumeration describing the available options. |
java.lang.String |
LNormTipText()
Returns the tip text for this property |
static void |
main(java.lang.String[] argv)
Main method for testing this class. |
java.lang.String |
normTipText()
Returns the tip text for this property |
boolean |
setInputFormat(Instances instanceInfo)
Sets the format of the input instances. |
void |
setLNorm(double newLNorm)
Set the L-norm to used |
void |
setNorm(double newNorm)
Set the norm of the instances |
void |
setOptions(java.lang.String[] options)
Parses a given list of options. |
Methods inherited from class weka.filters.Filter |
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batchFilterFile, batchFinished, 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 Normalize()
Method Detail |
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public java.lang.String globalInfo()
public java.lang.String LNormTipText()
public java.lang.String normTipText()
public java.util.Enumeration listOptions()
listOptions
in interface OptionHandler
public void setOptions(java.lang.String[] options) throws java.lang.Exception
-N <num> Specify the norm that each instance must have (default 1.0)
-L <num> Specify L-norm to use (default 2.0)
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 double getNorm()
public void setNorm(double newNorm)
newNorm
- the norm to wich the instances must be setpublic double getLNorm()
public void setLNorm(double newLNorm)
newLNorm
- the L-normpublic 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 format cannot be processedpublic boolean input(Instance instance) throws java.lang.Exception
input
in class Filter
instance
- the input instance
java.lang.IllegalStateException
- if no input format has been defined.
java.lang.NullPointerException
- if the input format has not been
defined.
java.lang.Exception
- if the input instance was not of the correct
format or if there was a problem with the filtering.public 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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