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https://issues.apache.org/jira/browse/MAHOUT-232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12795345#action_12795345
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Jake Mannix commented on MAHOUT-232:
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bq. I must assign the cardinality of matrix while create them.
You can just construct your matrices and vectors with all dimensions =
Integer.MAX_VALUE as a work around. At some point we will be adding the
ability to have unbounded or undetermined dimension vector spaces, but this
works in practice.
> Implementation of sequential SVM solver based on Pegasos
> --------------------------------------------------------
>
> Key: MAHOUT-232
> URL: https://issues.apache.org/jira/browse/MAHOUT-232
> Project: Mahout
> Issue Type: New Feature
> Affects Versions: 0.1
> Reporter: zhao zhendong
> Attachments: SequentialSVM_0.1.patch
>
>
> After discussed with guys in this community, I decided to re-implement a
> Sequential SVM solver based on Pegasos for Mahout platform (mahout command
> line style, SparseMatrix and SparseVector etc.) , Eventually, it will
> support HDFS.
> The plan of Sequential Pegasos:
> 1 Supporting the general file system ( almost finished );
> 2 Supporting HDFS;
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