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https://issues.apache.org/jira/browse/MAHOUT-1045?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13437564#comment-13437564
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Andrew Purtell commented on MAHOUT-1045:
----------------------------------------
The integration tests checked in with this patch appear to want an absolute
path hardcoded to the developer's home directory:
{noformat}
mvn -Dhadoop.version=2.0.0-alpha clean install
[...]
Tests in error:
testClusterEvaluator(org.apache.mahout.clustering.MAHOUT1045Test):
/Users/jeff/Desktop/jeff/kmeans-clusters/clusters-27-final
testCDbwEvaluator(org.apache.mahout.clustering.MAHOUT1045Test):
/Users/jeff/Desktop/jeff/kmeans-clusters/clusters-27-final
{noformat}
> Cluster evaluators returning bad results
> ----------------------------------------
>
> Key: MAHOUT-1045
> URL: https://issues.apache.org/jira/browse/MAHOUT-1045
> Project: Mahout
> Issue Type: Bug
> Components: Clustering
> Affects Versions: 0.6, 0.7, 0.8
> Environment: Several environments and data sets
> Reporter: Pat Ferrel
> Fix For: 0.8
>
> Attachments: first-time-density-nan.txt, MAHOUT-1045.patch,
> MAHOUT-1045.patch, MAHOUT-1045.patch, MAHOUT-1045.patch
>
>
> With real world crawl data the Intra-cluster density from ClusterEvaluator is
> almost always NaN. The CDbw inter-cluster density is almost always 0. I have
> also seen several cases where CDbw fails to return any results but have not
> tracked down why yet.
> I have sent a link to an 8G data set that reproduces these errors to Jeff
> Eastman.
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