Author: tdunning
Date: Sun Mar 31 08:27:11 2013
New Revision: 1462898
URL: http://svn.apache.org/r1462898
Log:
Fixed a java doc (no JIRA filed)
Modified:
mahout/trunk/core/src/main/java/org/apache/mahout/common/distance/CosineDistanceMeasure.java
Modified:
mahout/trunk/core/src/main/java/org/apache/mahout/common/distance/CosineDistanceMeasure.java
URL:
http://svn.apache.org/viewvc/mahout/trunk/core/src/main/java/org/apache/mahout/common/distance/CosineDistanceMeasure.java?rev=1462898&r1=1462897&r2=1462898&view=diff
==============================================================================
---
mahout/trunk/core/src/main/java/org/apache/mahout/common/distance/CosineDistanceMeasure.java
(original)
+++
mahout/trunk/core/src/main/java/org/apache/mahout/common/distance/CosineDistanceMeasure.java
Sun Mar 31 08:27:11 2013
@@ -27,7 +27,8 @@ import org.apache.mahout.math.Vector;
/**
* This class implements a cosine distance metric by dividing the dot product
of two vectors by the product of their
- * lengths
+ * lengths. That gives the cosine of the angle between the two vectors. To
convert this to a usable distance,
+ * 1-cos(angle) is what is actually returned.
*/
public class CosineDistanceMeasure implements DistanceMeasure {
