You can find it at https://github.com/yxjiang/hama/tree/trunk/ml/src/main/java/org/apache/hama/ml/perception .
2013/6/6 Yexi Jiang <[email protected]> > I just implemented one based on the BSP model, it is easy to adapt to the > MapReduce style. If you think it is worth trying, I can do it. > > > 2013/6/6 Ankur Gupta <[email protected]> > >> I have previously worked with java, and Mahout is one project where I >> would >> love to contribute, be it in Java. >> >> On Thu, Jun 6, 2013 at 6:49 PM, Robin Anil <[email protected]> wrote: >> >> > Ankur you will be pleasantly surprised how easy it is to develop an >> > algorithm using Mahout's vector classes. >> > >> > Robin Anil | Software Engineer | +1 312 869 2602 | Google Inc. >> > >> > >> > On Thu, Jun 6, 2013 at 2:39 PM, Ted Dunning <[email protected]> >> wrote: >> > >> > > We currently do not have any C++ code. >> > > >> > > The build complexity and maintenance and portability issues probably >> > > outweigh any advantages that I see at this time. >> > > >> > > We would love to have you contribute, but for now I think it is >> > > safest/easiest to assume Java. >> > > >> > > >> > > On Thu, Jun 6, 2013 at 11:14 AM, Ankur Gupta <[email protected] >> > > >wrote: >> > > >> > > > Hi >> > > > I want to contribute to mahout but one thing that holds me back is >> > that I >> > > > want to develop in C++ (It is just the comfort level). Is there any >> > part >> > > of >> > > > mahout which is developed in C++ or can be developed in C++. If so >> > kindly >> > > > let me know so that I can start working on understanding that and >> soon >> > > > start contributing. >> > > > >> > > > Thanks & Regards, >> > > > Ankur >> > > > >> > > > >> > > > >> > > > On Thu, Jun 6, 2013 at 1:20 PM, Ted Dunning <[email protected]> >> > > wrote: >> > > > >> > > > > No. >> > > > > >> > > > > Mahout doesn't have any multi-level neural network implementation >> at >> > > this >> > > > > time. >> > > > > >> > > > > >> > > > > >> > > > > On Jun 4, 2013, at 4:49 PM, Mimi Tam wrote: >> > > > > >> > > > > > 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. >> > > > > > >> > > > > > -- >> > > > > > This message is automatically generated by JIRA. >> > > > > > If you think it was sent incorrectly, please contact your JIRA >> > > > > > administrators >> > > > > > For more information on JIRA, see: >> > > > > http://www.atlassian.com/software/jira >> > > > > > >> > > > > >> > > > > >> > > > >> > > >> > >> >> >> >> -- >> Ankur Gupta, >> Software Engineer >> Samsung India Software Operations Pvt. Ltd. >> Bangalore, Karnataka >> India >> > > > > -- > ------ > Yexi Jiang, > ECS 251, [email protected] > School of Computer and Information Science, > Florida International University > Homepage: http://users.cis.fiu.edu/~yjian004/ > > -- ------ Yexi Jiang, ECS 251, [email protected] School of Computer and Information Science, Florida International University Homepage: http://users.cis.fiu.edu/~yjian004/
