I'd like to phrase the question a bit differently.
Does Mahout have a neural network algorithm (did it adopt Neuroph's or
native)?
Thanks.
-----Original Message-----
From: Mimi Tam
Sent: Tuesday, June 04, 2013 10:08 AM
To: [email protected]
Subject: Question on Mahout (adopted FANN libraries?) if I may...
Sorry, I am a late comer.
Did Mahout/Mahout-36 [GSOC] Proposal to implement Neural Network with
backpropagation learning on Hadoop ever implemented and is part of Mahout
now?
Is this using the FANN libraries?
Many Thanks...Mimi
-----Original Message-----
From: Robin Anil (JIRA)
Sent: Tuesday, June 04, 2013 9:51 AM
To: [email protected]
Subject: [jira] [Updated] (MAHOUT-1240) Randomized testing and Serialization
of NonZeros
[
https://issues.apache.org/jira/browse/MAHOUT-1240?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Robin Anil updated MAHOUT-1240:
-------------------------------
Status: Patch Available (was: Open)
Randomized testing and Serialization of NonZeros
------------------------------------------------
Key: MAHOUT-1240
URL: https://issues.apache.org/jira/browse/MAHOUT-1240
Project: Mahout
Issue Type: Bug
Reporter: Robin Anil
Assignee: Robin Anil
Fix For: 0.8
Attachments: MAHOUT-1240.patch
Currently the nonZero iterator does not guarantee nonZero iteration for
certain vectors (RASV, SASV) for performance reason. However vector view
iterator adds a zero check.. To be correct we have to either remove the
check or do correct non zero serialization everywhere. However this means
going over the vectors in two passes. Given that is pretty fast already, I
am fixing the logic bug. We can tackle the speed up for the next release.
This also adds a randomized test for serialization that catches all such
bugs.
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