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java.lang.Object weka.filters.Filter weka.filters.unsupervised.attribute.PotentialClassIgnorer weka.filters.unsupervised.attribute.Standardize
Standardizes all numeric attributes in the given dataset to have zero mean and unit variance. intervals.
Field Summary | |
private double[] |
m_Means
The means |
private double[] |
m_StdDevs
The variances |
Fields inherited from class weka.filters.unsupervised.attribute.PotentialClassIgnorer |
m_ClassIndex, m_IgnoreClass |
Fields inherited from class weka.filters.Filter |
m_NewBatch |
Constructor Summary | |
Standardize()
|
Method Summary | |
boolean |
batchFinished()
Signify that this batch of input to the filter is finished. |
private void |
convertInstance(Instance instance)
Convert a single instance over. |
java.lang.String |
globalInfo()
Returns a string describing this filter |
boolean |
input(Instance instance)
Input an instance for filtering. |
static void |
main(java.lang.String[] argv)
Main method for testing this class. |
boolean |
setInputFormat(Instances instanceInfo)
Sets the format of the input instances. |
Methods inherited from class weka.filters.unsupervised.attribute.PotentialClassIgnorer |
getOutputFormat, setIgnoreClass |
Methods inherited from class weka.filters.Filter |
batchFilterFile, bufferInput, copyStringValues, copyStringValues, filterFile, flushInput, getInputFormat, getInputStringIndex, getOutputStringIndex, getStringIndices, inputFormat, inputFormatPeek, isOutputFormatDefined, numPendingOutput, output, outputFormat, outputFormatPeek, outputPeek, push, resetQueue, setOutputFormat, useFilter |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
private double[] m_Means
private double[] m_StdDevs
Constructor Detail |
public Standardize()
Method Detail |
public java.lang.String globalInfo()
public boolean setInputFormat(Instances instanceInfo) throws java.lang.Exception
setInputFormat
in class PotentialClassIgnorer
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 format has been set.public boolean batchFinished()
batchFinished
in class Filter
java.lang.IllegalStateException
- if no input structure has been definedprivate void convertInstance(Instance instance)
instance
- the instance to convertpublic static void main(java.lang.String[] argv)
argv
- should contain arguments to the filter:
use -h for help
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