[jira] [Created] (MAHOUT-1878) implement quartile type thresholds for indicator matrix downsampling

Pat Ferrel (JIRA)

2016-08-21 01:06:21 UTC

[ https://issues.apache.org/jira/browse/MAHOUT-1878?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15429553#comment-15429553 ]

Pat Ferrel commented on MAHOUT-1878:
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see discussion here
https://issues.apache.org/jira/browse/MAHOUT-1853

Post by Pat Ferrel (JIRA)
implement quartile type thresholds for indicator matrix downsampling
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Key: MAHOUT-1878
URL: https://issues.apache.org/jira/browse/MAHOUT-1878
Project: Mahout
Issue Type: New Feature
Components: Collaborative Filtering, cooccurrence
Reporter: Pat Ferrel
Assignee: Pat Ferrel
Fix For: 1.0.0
https://issues.apache.org/jira/browse/MAHOUT-1853
second half of the above, see discussion of downsampling by fraction of matrix retained, perhaps using t-digest.

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