com.expleague.ml.cli.builders.methods.impl.GreedyTDRegionBuilder Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of jmll

Various ML methods implemented by myself and my students

There is a newer version: 1.4.9

package com.expleague.ml.cli.builders.methods.impl;

import com.expleague.commons.func.Factory;
import com.expleague.commons.random.FastRandom;
import com.expleague.ml.BFGrid;
import com.expleague.ml.methods.BootstrapOptimization;
import com.expleague.ml.methods.VecOptimization;
import com.expleague.ml.methods.greedyRegion.GreedyTDRegion;

/**
 * User: qdeee
 * Date: 03.09.14
 */
public class GreedyTDRegionBuilder implements Factory {
  public static Factory defaultGridBuilder;
  private double alpha = 0.02;
  private double beta = 0.5;
  private int maxFailed = 1;

  private Factory gridBuilder = defaultGridBuilder;

  public void setGridBuilder(final Factory gridBuilder) {
    this.gridBuilder = gridBuilder;
  }

  public void setAlpha(final double alpha) {
    this.alpha = alpha;
  }

  public void setBeta(final double beta) {
    this.beta = beta;
  }

  public void setMaxFailed(final int maxFailed) {
    this.maxFailed = maxFailed;
  }

  @Override
  public VecOptimization create() {
    return new BootstrapOptimization( new GreedyTDRegion(gridBuilder.create(), alpha, beta, maxFailed), new FastRandom());
  }
}