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Posted to dev@mahout.apache.org by "tom pierce (Created) (JIRA)" <ji...@apache.org> on 2011/12/15 14:38:30 UTC

[jira] [Created] (MAHOUT-927) FPG saves a mapping from from feature to mining group, when this can be calculated on the fly

FPG saves a mapping from from feature to mining group, when this can be calculated on the fly
---------------------------------------------------------------------------------------------

                 Key: MAHOUT-927
                 URL: https://issues.apache.org/jira/browse/MAHOUT-927
             Project: Mahout
          Issue Type: Improvement
          Components: Frequent Itemset/Association Rule Mining
    Affects Versions: 0.6
            Reporter: tom pierce
            Priority: Minor


The group membership list can easily be computed on the fly, rather than written out and reread, then saved in memory.



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[jira] [Updated] (MAHOUT-927) FPG saves a mapping from from feature to mining group, when this can be calculated on the fly

Posted by "Robin Anil (Updated) (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/MAHOUT-927?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robin Anil updated MAHOUT-927:
------------------------------

       Resolution: Fixed
    Fix Version/s: 0.6
           Status: Resolved  (was: Patch Available)
    
> FPG saves a mapping from from feature to mining group, when this can be calculated on the fly
> ---------------------------------------------------------------------------------------------
>
>                 Key: MAHOUT-927
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-927
>             Project: Mahout
>          Issue Type: Improvement
>          Components: Frequent Itemset/Association Rule Mining
>    Affects Versions: 0.6
>            Reporter: tom pierce
>            Assignee: Robin Anil
>            Priority: Minor
>             Fix For: 0.6
>
>         Attachments: MAHOUT-927.patch
>
>
> The group membership list can easily be computed on the fly, rather than written out and reread, then saved in memory.

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[jira] [Commented] (MAHOUT-927) FPG saves a mapping from from feature to mining group, when this can be calculated on the fly

Posted by "Hudson (Commented) (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/MAHOUT-927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13186541#comment-13186541 ] 

Hudson commented on MAHOUT-927:
-------------------------------

Integrated in Mahout-Quality #1307 (See [https://builds.apache.org/job/Mahout-Quality/1307/])
    MAHOUT-890 MAHOUT-920 MAHOUT-921 MAHOUT-927 FpGrowth2 Implementation and fixes to existing Mapreduce classes in pfpgrowth

robinanil : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1231700
Files : 
* /mahout/trunk/core/src/main/java/org/apache/mahout/fpm/pfpgrowth/FPGrowthDriver.java
* /mahout/trunk/core/src/main/java/org/apache/mahout/fpm/pfpgrowth/MultiTransactionTreeIterator.java
* /mahout/trunk/core/src/main/java/org/apache/mahout/fpm/pfpgrowth/PFPGrowth.java
* /mahout/trunk/core/src/main/java/org/apache/mahout/fpm/pfpgrowth/ParallelFPGrowthCombiner.java
* /mahout/trunk/core/src/main/java/org/apache/mahout/fpm/pfpgrowth/ParallelFPGrowthMapper.java
* /mahout/trunk/core/src/main/java/org/apache/mahout/fpm/pfpgrowth/ParallelFPGrowthReducer.java
* /mahout/trunk/core/src/main/java/org/apache/mahout/fpm/pfpgrowth/TransactionSortingMapper.java
* /mahout/trunk/core/src/main/java/org/apache/mahout/fpm/pfpgrowth/TransactionSortingReducer.java
* /mahout/trunk/core/src/main/java/org/apache/mahout/fpm/pfpgrowth/TransactionTree.java
* /mahout/trunk/core/src/main/java/org/apache/mahout/fpm/pfpgrowth/TransactionTreeIterator.java
* /mahout/trunk/core/src/main/java/org/apache/mahout/fpm/pfpgrowth/fpgrowth/FrequentPatternMaxHeap.java
* /mahout/trunk/core/src/main/java/org/apache/mahout/fpm/pfpgrowth/fpgrowth/Pattern.java
* /mahout/trunk/core/src/main/java/org/apache/mahout/fpm/pfpgrowth/fpgrowth2
* /mahout/trunk/core/src/main/java/org/apache/mahout/fpm/pfpgrowth/fpgrowth2/FPGrowthIds.java
* /mahout/trunk/core/src/main/java/org/apache/mahout/fpm/pfpgrowth/fpgrowth2/FPGrowthObj.java
* /mahout/trunk/core/src/main/java/org/apache/mahout/fpm/pfpgrowth/fpgrowth2/FPTree.java
* /mahout/trunk/core/src/test/java/org/apache/mahout/fpm/pfpgrowth/FPGrowthRetailDataTest2.java
* /mahout/trunk/core/src/test/java/org/apache/mahout/fpm/pfpgrowth/FPGrowthRetailDataTestVs.java
* /mahout/trunk/core/src/test/java/org/apache/mahout/fpm/pfpgrowth/FPGrowthSyntheticDataTest.java
* /mahout/trunk/core/src/test/java/org/apache/mahout/fpm/pfpgrowth/FPGrowthTest2.java
* /mahout/trunk/core/src/test/java/org/apache/mahout/fpm/pfpgrowth/PFPGrowthRetailDataTest.java
* /mahout/trunk/core/src/test/java/org/apache/mahout/fpm/pfpgrowth/PFPGrowthRetailDataTest2.java
* /mahout/trunk/core/src/test/java/org/apache/mahout/fpm/pfpgrowth/PFPGrowthRetailDataTestVs.java
* /mahout/trunk/core/src/test/java/org/apache/mahout/fpm/pfpgrowth/PFPGrowthSynthDataTest2.java
* /mahout/trunk/core/src/test/java/org/apache/mahout/fpm/pfpgrowth/PFPGrowthTest.java
* /mahout/trunk/core/src/test/java/org/apache/mahout/fpm/pfpgrowth/PFPGrowthTest2.java
* /mahout/trunk/core/src/test/java/org/apache/mahout/fpm/pfpgrowth/TransactionTreeTest.java
* /mahout/trunk/core/src/test/resources/FPGsynth.dat

                
> FPG saves a mapping from from feature to mining group, when this can be calculated on the fly
> ---------------------------------------------------------------------------------------------
>
>                 Key: MAHOUT-927
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-927
>             Project: Mahout
>          Issue Type: Improvement
>          Components: Frequent Itemset/Association Rule Mining
>    Affects Versions: 0.6
>            Reporter: tom pierce
>            Assignee: Robin Anil
>            Priority: Minor
>             Fix For: 0.6
>
>         Attachments: MAHOUT-927.patch
>
>
> The group membership list can easily be computed on the fly, rather than written out and reread, then saved in memory.

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[jira] [Updated] (MAHOUT-927) FPG saves a mapping from from feature to mining group, when this can be calculated on the fly

Posted by "tom pierce (Updated) (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/MAHOUT-927?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

tom pierce updated MAHOUT-927:
------------------------------

    Status: Patch Available  (was: Open)
    
> FPG saves a mapping from from feature to mining group, when this can be calculated on the fly
> ---------------------------------------------------------------------------------------------
>
>                 Key: MAHOUT-927
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-927
>             Project: Mahout
>          Issue Type: Improvement
>          Components: Frequent Itemset/Association Rule Mining
>    Affects Versions: 0.6
>            Reporter: tom pierce
>            Priority: Minor
>         Attachments: MAHOUT-927.patch
>
>
> The group membership list can easily be computed on the fly, rather than written out and reread, then saved in memory.

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[jira] [Updated] (MAHOUT-927) FPG saves a mapping from from feature to mining group, when this can be calculated on the fly

Posted by "tom pierce (Updated) (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/MAHOUT-927?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

tom pierce updated MAHOUT-927:
------------------------------

    Attachment: MAHOUT-927.patch

This patch assumes MAHOUT-920 and MAHOUT-921 have already been applied.


                
> FPG saves a mapping from from feature to mining group, when this can be calculated on the fly
> ---------------------------------------------------------------------------------------------
>
>                 Key: MAHOUT-927
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-927
>             Project: Mahout
>          Issue Type: Improvement
>          Components: Frequent Itemset/Association Rule Mining
>    Affects Versions: 0.6
>            Reporter: tom pierce
>            Priority: Minor
>         Attachments: MAHOUT-927.patch
>
>
> The group membership list can easily be computed on the fly, rather than written out and reread, then saved in memory.

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[jira] [Assigned] (MAHOUT-927) FPG saves a mapping from from feature to mining group, when this can be calculated on the fly

Posted by "Robin Anil (Assigned) (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/MAHOUT-927?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robin Anil reassigned MAHOUT-927:
---------------------------------

    Assignee: Robin Anil
    
> FPG saves a mapping from from feature to mining group, when this can be calculated on the fly
> ---------------------------------------------------------------------------------------------
>
>                 Key: MAHOUT-927
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-927
>             Project: Mahout
>          Issue Type: Improvement
>          Components: Frequent Itemset/Association Rule Mining
>    Affects Versions: 0.6
>            Reporter: tom pierce
>            Assignee: Robin Anil
>            Priority: Minor
>             Fix For: 0.6
>
>         Attachments: MAHOUT-927.patch
>
>
> The group membership list can easily be computed on the fly, rather than written out and reread, then saved in memory.

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