org.tribuo.regression.sgd

Class Util

java.lang.Object

org.tribuo.regression.sgd.Util

public class Util
extends Object

Utilities. Currently stores methods for shuffling examples and their associated regression dimensions and weights.

Constructor Summary

Constructors

Constructor and Description
Util()

Method Summary

Modifier and Type	Method and Description
static void	shuffleInPlace(SparseVector[] features, DenseVector[] regressors, double[] weights, int[] indices, SplittableRandom rng) In place shuffle of the features, labels and weights.
static void	shuffleInPlace(SparseVector[] features, DenseVector[] regressors, double[] weights, SplittableRandom rng) In place shuffle of the features, labels and weights.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Util

public Util()

Method Detail

shuffleInPlace

public static void shuffleInPlace(SparseVector[] features,
                                  DenseVector[] regressors,
                                  double[] weights,
                                  SplittableRandom rng)

In place shuffle of the features, labels and weights.

Parameters:

features - Input features.

regressors - Input regressors.

weights - Input weights.

rng - SplittableRandom number generator.

shuffleInPlace

public static void shuffleInPlace(SparseVector[] features,
                                  DenseVector[] regressors,
                                  double[] weights,
                                  int[] indices,
                                  SplittableRandom rng)

In place shuffle of the features, labels and weights.

Parameters:

features - Input features.

regressors - Input regressors.

weights - Input weights.

indices - Input indices.

rng - SplittableRandom number generator.