Package weka.associations
Class FPGrowth.BinaryItem
java.lang.Object
weka.associations.FPGrowth.BinaryItem
- All Implemented Interfaces:
Serializable
,Comparable<FPGrowth.BinaryItem>
- Enclosing class:
FPGrowth
public static class FPGrowth.BinaryItem
extends Object
implements Serializable, Comparable<FPGrowth.BinaryItem>
Inner class that handles a single binary item
- See Also:
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionint
compareTo
(FPGrowth.BinaryItem comp) Ensures that items will be sorted in descending order of frequency.void
Decrement the frequency of this item.void
decreaseFrequency
(int f) Decrease the frequency of this item.boolean
Get the attribute that this item corresponds to.int
Get the frequency of this item.int
Get the value index for this item.int
hashCode()
void
Increment the frequency of this item.void
increaseFrequency
(int f) Increase the frequency of this item.toString()
A string representation of this item.toString
(boolean freq) A string representation of this item.toXML()
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Constructor Details
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BinaryItem
- Throws:
Exception
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Method Details
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increaseFrequency
public void increaseFrequency(int f) Increase the frequency of this item.- Parameters:
f
- the amount to increase the frequency by.
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decreaseFrequency
public void decreaseFrequency(int f) Decrease the frequency of this item.- Parameters:
f
- the amount by which to decrease the frequency.
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increaseFrequency
public void increaseFrequency()Increment the frequency of this item. -
decreaseFrequency
public void decreaseFrequency()Decrement the frequency of this item. -
getFrequency
public int getFrequency()Get the frequency of this item.- Returns:
- the frequency.
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getAttribute
Get the attribute that this item corresponds to.- Returns:
- the corresponding attribute.
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getValueIndex
public int getValueIndex()Get the value index for this item.- Returns:
- the value index.
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toString
A string representation of this item. -
toString
A string representation of this item.- Parameters:
freq
- true if the frequency should be included.- Returns:
- a string representation of this item.
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toXML
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compareTo
Ensures that items will be sorted in descending order of frequency. Ties are ordered by attribute name.- Specified by:
compareTo
in interfaceComparable<FPGrowth.BinaryItem>
- Parameters:
comp
- the BinaryItem to compare against.
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equals
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hashCode
public int hashCode()
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