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java.lang.Object de.lmu.ifi.dbs.elki.utilities.scaling.outlier.TopKOutlierScaling
public class TopKOutlierScaling
Outlier scaling function that only keeps the top k outliers.
Nested Class Summary | |
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static class |
TopKOutlierScaling.Parameterizer
Parameterization class. |
Field Summary | |
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private boolean |
binary
Do a binary decision |
static OptionID |
BINARY_ID
Parameter to specify the lambda value Key: -topk.binary
|
private double |
cutoff
The value we cut off at. |
private double |
ground
The "ground" value |
private int |
k
Number of outliers to keep. |
static OptionID |
K_ID
Parameter to specify the number of outliers to keep Key: -topk.k
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private double |
max
The maximum value |
Constructor Summary | |
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TopKOutlierScaling(int k,
boolean binary)
Constructor. |
Method Summary | |
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double |
getMax()
Get maximum resulting value. |
double |
getMin()
Get minimum resulting value. |
double |
getScaled(double value)
Transform a given value using the scaling function. |
void |
prepare(OutlierResult or)
Prepare is called once for each data set, before getScaled() will be called. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final OptionID K_ID
Key: -topk.k
public static final OptionID BINARY_ID
Key: -topk.binary
private int k
private boolean binary
private double cutoff
private double ground
private double max
Constructor Detail |
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public TopKOutlierScaling(int k, boolean binary)
k
- binary
- Method Detail |
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public void prepare(OutlierResult or)
OutlierScalingFunction
prepare
in interface OutlierScalingFunction
or
- Outlier result to usepublic double getMax()
ScalingFunction
Double.NaN
or
Double.POSITIVE_INFINITY
.
getMax
in interface ScalingFunction
public double getMin()
ScalingFunction
Double.NaN
or
Double.NEGATIVE_INFINITY
.
getMin
in interface ScalingFunction
public double getScaled(double value)
ScalingFunction
getScaled
in interface ScalingFunction
value
- Original value
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