diff options
Diffstat (limited to 'src/de/lmu/ifi/dbs/elki/math/linearalgebra/pca/WeightedCovarianceMatrixBuilder.java')
-rw-r--r-- | src/de/lmu/ifi/dbs/elki/math/linearalgebra/pca/WeightedCovarianceMatrixBuilder.java | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/de/lmu/ifi/dbs/elki/math/linearalgebra/pca/WeightedCovarianceMatrixBuilder.java b/src/de/lmu/ifi/dbs/elki/math/linearalgebra/pca/WeightedCovarianceMatrixBuilder.java index 547737fe..db5e8702 100644 --- a/src/de/lmu/ifi/dbs/elki/math/linearalgebra/pca/WeightedCovarianceMatrixBuilder.java +++ b/src/de/lmu/ifi/dbs/elki/math/linearalgebra/pca/WeightedCovarianceMatrixBuilder.java @@ -4,7 +4,7 @@ package de.lmu.ifi.dbs.elki.math.linearalgebra.pca; This file is part of ELKI: Environment for Developing KDD-Applications Supported by Index-Structures - Copyright (C) 2011 + Copyright (C) 2012 Ludwig-Maximilians-Universität München Lehr- und Forschungseinheit für Datenbanksysteme ELKI Development Team @@ -158,7 +158,7 @@ public class WeightedCovarianceMatrixBuilder<V extends NumberVector<? extends V, * @return Covariance Matrix */ @Override - public <D extends NumberDistance<?, ?>> Matrix processQueryResults(Collection<DistanceResultPair<D>> results, Relation<? extends V> database, int k) { + public <D extends NumberDistance<?, ?>> Matrix processQueryResults(Collection<? extends DistanceResultPair<D>> results, Relation<? extends V> database, int k) { final int dim = DatabaseUtil.dimensionality(database); final CovarianceMatrix cmat = new CovarianceMatrix(dim); @@ -172,7 +172,7 @@ public class WeightedCovarianceMatrixBuilder<V extends NumberVector<? extends V, double stddev = 0.0; { int i = 0; - for(Iterator<DistanceResultPair<D>> it = results.iterator(); it.hasNext() && i < k; i++) { + for(Iterator<? extends DistanceResultPair<D>> it = results.iterator(); it.hasNext() && i < k; i++) { DistanceResultPair<D> res = it.next(); final double dist; if(res instanceof DoubleDistanceResultPair) { @@ -194,7 +194,7 @@ public class WeightedCovarianceMatrixBuilder<V extends NumberVector<? extends V, // calculate weighted PCA int i = 0; - for(Iterator<DistanceResultPair<D>> it = results.iterator(); it.hasNext() && i < k; i++) { + for(Iterator<? extends DistanceResultPair<D>> it = results.iterator(); it.hasNext() && i < k; i++) { DistanceResultPair<? extends NumberDistance<?, ?>> res = it.next(); final double dist; if(res instanceof DoubleDistanceResultPair) { |