/**
* Copyright (C) 2001-2017 by RapidMiner and the contributors
*
* Complete list of developers available at our web site:
*
* http://rapidminer.com
*
* This program is free software: you can redistribute it and/or modify it under the terms of the
* GNU Affero General Public License as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
* even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License along with this program.
* If not, see http://www.gnu.org/licenses/.
*/
package com.rapidminer.example.set;
/**
* Creates partitions from ratio arrays. Subclasses might shuffle the examples before building the
* partition or apply stratification. The delivered partitions consist of an array of integer values
* with the same length as the given size. For each element the integer defines the number of the
* partition for this element. Numbering starts with 0.
*
* @author Ingo Mierswa
*/
public interface PartitionBuilder {
/**
* Creates a partition from the given ratios. Size is the number of elements, i.e. the number of
* examples.
*/
public int[] createPartition(double[] ratio, int size);
}