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package de.lmu.ifi.dbs.elki.math.linearalgebra;
/*
This file is part of ELKI:
Environment for Developing KDD-Applications Supported by Index-Structures
Copyright (C) 2012
Ludwig-Maximilians-Universität München
Lehr- und Forschungseinheit für Datenbanksysteme
ELKI Development Team
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/>.
*/
/**
* Interface representing a simple projection result.
*
* This can either come from a full PCA, or just from an axis-parallel subspace selection
*
* @author Erich Schubert
*/
// TODO: cleanup
public interface ProjectionResult {
/**
* Get the number of "strong" dimensions
*
* @return number of strong (correlated) dimensions
*/
int getCorrelationDimension();
/**
* Projection matrix
*
* @return projection matrix
*/
Matrix similarityMatrix();
}
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