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Posted to dev@mahout.apache.org by "Adam Bozanich (JIRA)" <ji...@apache.org> on 2013/03/08 07:22:14 UTC
[jira] [Updated] (MAHOUT-1157) AbstractCluster.formatVector
iteration bug.
[ https://issues.apache.org/jira/browse/MAHOUT-1157?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Adam Bozanich updated MAHOUT-1157:
----------------------------------
Attachment: mahout.patch
> AbstractCluster.formatVector iteration bug.
> -------------------------------------------
>
> Key: MAHOUT-1157
> URL: https://issues.apache.org/jira/browse/MAHOUT-1157
> Project: Mahout
> Issue Type: Bug
> Components: Clustering
> Affects Versions: 0.7
> Reporter: Adam Bozanich
> Attachments: mahout.patch
>
>
> AbstractCluster.formatVector's use of the size field of the given vector causes problems when the vector is sparse.
> When reading WeightedVectorWriteables from the clusteredPoints directory that was created by running kmeans with the -cl flag, the embedded RandomAccessSparseVector is being instantiated with
> I clustered a handful of vectors which had been initialized with a cardinality of Integer.MAX_VALUE. Running seqdump on the resulting clusteredPoints took over four minutes.
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Re: [jira] [Updated] (MAHOUT-1157) AbstractCluster.formatVector iteration bug.
Posted by Ted Dunning <te...@gmail.com>.
Thanks for the patch.
Sent from my iPhone
On Mar 8, 2013, at 1:22 AM, "Adam Bozanich (JIRA)" <ji...@apache.org> wrote:
>
> [ https://issues.apache.org/jira/browse/MAHOUT-1157?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
>
> Adam Bozanich updated MAHOUT-1157:
> ----------------------------------
>
> Attachment: mahout.patch
>
>> AbstractCluster.formatVector iteration bug.
>> -------------------------------------------
>>
>> Key: MAHOUT-1157
>> URL: https://issues.apache.org/jira/browse/MAHOUT-1157
>> Project: Mahout
>> Issue Type: Bug
>> Components: Clustering
>> Affects Versions: 0.7
>> Reporter: Adam Bozanich
>> Attachments: mahout.patch
>>
>>
>> AbstractCluster.formatVector's use of the size field of the given vector causes problems when the vector is sparse.
>> When reading WeightedVectorWriteables from the clusteredPoints directory that was created by running kmeans with the -cl flag, the embedded RandomAccessSparseVector is being instantiated with
>> I clustered a handful of vectors which had been initialized with a cardinality of Integer.MAX_VALUE. Running seqdump on the resulting clusteredPoints took over four minutes.
>
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> This message is automatically generated by JIRA.
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> For more information on JIRA, see: http://www.atlassian.com/software/jira