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From "Jake Mannix (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAHOUT-232) Implementation of sequential SVM solver based on Pegasos
Date Thu, 31 Dec 2009 05:31:29 GMT

    [ https://issues.apache.org/jira/browse/MAHOUT-232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12795542#action_12795542
] 

Jake Mannix commented on MAHOUT-232:
------------------------------------

Use the constructor which allows you to specify both the initial size and cardinality:
{code}
new SparseVector(Integer.MAX_VALUE, 10);
{code}

for example will be "infinite" dimensional vectors with initial map capacity 10.


> 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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