On 7/19/10 12:06 PM, [email protected] wrote:
Author: jeastman
Date: Mon Jul 19 19:06:14 2010
New Revision: 965587
URL: http://svn.apache.org/viewvc?rev=965587&view=rev
Log:
MAHOUT-294:
- added argMap local to AbstractJob to allow option accessing abstraction
- added hasOption(), getOption() and optionKey() to AbstractJob to encapsulate
all -- prepending
- revised all clustering components to use hasOption()/getOption()
- added MahoutTestCase.optKey() to use optionKey() to encapsulate all --
prepending
- decided not to continue with public addOptions() approach in earlier patch
- removed all public OPTION_KEY constants in DefaultOptionsCreator but made
respective OPTION constants public
- revised all clustering tests to use optKey
- made interClusterDensity, intraClusterDensity and separation() public in
CDbwEvaluator
Hi Robin,
I just read over MIA chapter 10 and thought you might also want to
mention the CDbwEvaluator introduced in MAHOUT-236. I've just made the
intermediate calculations public and they appear to line up pretty well
with the cluster evaluation criteria in the chapter so users can
potentially use these methods to compute cluster quality metrics too.
The benefit of these evaluator methods is they can compute after
selecting n, representative points from potentially-large clusters. It
would be nice to get some more eyeballs on these calculations too to
make sure I didn't miss something in translating from the paper.
Jeff
