apache/spark — pull request #1964 by yu-iskw (2014-08-15 07:49:51+00:00)
Title: [SPARK-3012] Standardized Distance Functions between two Vectors for MLlib

https://issues.apache.org/jira/browse/SPARK-3012

I implemented some distance measures between two Vector instances, such as Manhattan distance and Euclidean distance.Because the standardized distance functions help us to implement more machine learning algorithms efficiently