public class DistributionSPL extends Distribution
Unlike for DFR, the natural logarithm is used, as it is faster to compute and the original paper does not express any preference to a specific base.
WARNING: this model currently returns infinite scores for very small tf values and negative scores for very large tf valuesConstructor and Description |
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DistributionSPL()
Sole constructor: parameter-free
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Modifier and Type | Method and Description |
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float |
score(BasicStats stats,
float tfn,
float lambda)
Computes the score.
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String |
toString()
Subclasses must override this method to return the name of the
distribution.
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explain
public final float score(BasicStats stats, float tfn, float lambda)
Distribution
score
in class Distribution
public String toString()
Distribution
toString
in class Distribution
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