Class LinearWeight
- java.lang.Object
-
- elki.math.linearalgebra.pca.weightfunctions.LinearWeight
-
- All Implemented Interfaces:
WeightFunction
public final class LinearWeight extends java.lang.Object implements WeightFunction
Linear weight function, scaled using the maximum such that it goes from 1.0 to 0.1 using: \( 1 - 0.9 \frac{\text{distance}}{\max} \)- Since:
- 0.2
- Author:
- Erich Schubert
-
-
Constructor Summary
Constructors Constructor Description LinearWeight()
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description double
getWeight(double distance, double max, double stddev)
Linear decreasing weight, from 1.0 to 0.1.
-
-
-
Method Detail
-
getWeight
public double getWeight(double distance, double max, double stddev)
Linear decreasing weight, from 1.0 to 0.1. Stddev is ignored.- Specified by:
getWeight
in interfaceWeightFunction
- Parameters:
distance
- distance of the query pointmax
- maximum distance of all included pointsstddev
- standard deviation (i.e. quadratic mean / RMS) of the included points- Returns:
- weight for the query point
-
-