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-rw-r--r--src/de/lmu/ifi/dbs/elki/math/statistics/LinearRegression.java39
1 files changed, 20 insertions, 19 deletions
diff --git a/src/de/lmu/ifi/dbs/elki/math/statistics/LinearRegression.java b/src/de/lmu/ifi/dbs/elki/math/statistics/LinearRegression.java
index 4a535879..f28986f0 100644
--- a/src/de/lmu/ifi/dbs/elki/math/statistics/LinearRegression.java
+++ b/src/de/lmu/ifi/dbs/elki/math/statistics/LinearRegression.java
@@ -1,26 +1,27 @@
package de.lmu.ifi.dbs.elki.math.statistics;
+
/*
-This file is part of ELKI:
-Environment for Developing KDD-Applications Supported by Index-Structures
+ This file is part of ELKI:
+ Environment for Developing KDD-Applications Supported by Index-Structures
-Copyright (C) 2011
-Ludwig-Maximilians-Universität München
-Lehr- und Forschungseinheit für Datenbanksysteme
-ELKI Development Team
+ Copyright (C) 2011
+ 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 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.
+ 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/>.
-*/
+ 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/>.
+ */
import java.util.List;
@@ -43,13 +44,13 @@ public class LinearRegression {
public LinearRegression(List<DoubleDoublePair> points) {
double sumy = 0.0;
double sumx = 0.0;
- double sumyy = 0.0;
+ //double sumyy = 0.0;
double sumxx = 0.0;
double sumxy = 0.0;
int gap = 0;
for(DoubleDoublePair point : points) {
sumy += point.second;
- sumyy += point.second * point.second;
+ //sumyy += point.second * point.second;
gap++;
sumx += point.first;
sumxx += point.first * point.first;