[mlpack] Student looking to contribute to mlpack

[Ajinkya Kale]

Are you looking for this
https://github.com/mlpack/mlpack/blob/master/src/mlpack/core/tree/example_tree.hpp
?

On Sat, Apr 11, 2015 at 9:10 AM Rohit Shinde <rohit.shinde12194 at gmail.com>
wrote:

> By the way, I was looking at the tree types project and there was a link
> to the tree API on the GitHub page. However, I am not able to access that
> link because I do not have viewing permission. This is the link
> http://www.mlpack.org/trac/browser/trunk/src/mlpack/core/tree/example_tree.hpp
>
> I would like to see the API.
>
> On Sat, Apr 11, 2015 at 9:17 PM, Rohit Shinde <rohit.shinde12194 at gmail.com
> > wrote:
>
>> On Sat, Apr 11, 2015 at 9:02 PM, Ryan Curtin <ryan at ratml.org> wrote:
>>
>>> On Sat, Apr 11, 2015 at 08:53:22PM +0530, Rohit Shinde wrote:
>>> > Yes, it does work.  I had tried this earlier, but i had put the
>>> std=c++11
>>> > at the end. So it again gave me many errors. Why does changing the
>>> order of
>>> > options in the command remove errors?
>>>
>>> Are you sure that you specified '-std=c++11' and not 'std=c++11'?  I
>>> have not seen the location of the -std=c++11 affect compilation results,
>>> but the ordering of some of the other options (linking -- -L and -l, and
>>> include directories -- -I) can make a difference.
>>>
>> Yes, I am pretty sure. However, it does not give an error now. I dunno
>> why.
>>
>>>
>>> > Now that I have got familiar with mlpack, I would like to contribute to
>>> > some code. I was looking at some project ideas. And I am interested in
>>> > these two:
>>> >
>>> https://github.com/mlpack/mlpack/wiki/SummerOfCodeIdeas#essential-deep-learning-modules
>>> >
>>> https://github.com/mlpack/mlpack/wiki/SummerOfCodeIdeas#implement-tree-types
>>> >
>>> > How could I get started in these two projects?
>>>
>>> I can't speak much towards the deep learning project, but I'm happy to
>>> help with the tree types project.  A lot of algorithms in mlpack use
>>> different types of trees (or spatial indexing structures) to solve
>>> problems; some examples are the kd-tree, the ball tree, the cover tree,
>>> and so forth.
>>
>> Which trees do you suggest I implement? There are random projection
>>> trees, Bregman trees, UB trees, R+ trees, Hilbert trees, X trees, segment
>>> trees, interval trees and range trees. Which one do you suggest I
>>> implement?
>>>
>> In general, these algorithms are written in such a way that the type of
>>> tree is a template parameter:
>>>
>>> template<typename TreeType>
>>> class MachineLearningAlgorithm
>>> {
>>>   ...
>>> };
>>>
>>> and as a result, you can implement new types of trees, and if they
>>> satisfy the correct API, you can plug them in as 'TreeType'.
>>>
>>> Probably a good place to start is to look through the existing code in
>>> src/mlpack/core/tree/ and understand the trees that are already there
>>> (don't worry too much about the details of the CoverTree class: it's
>>> insanely complex; just the general structure and API of the trees is
>>> what matters).  Then you can pick a new type of tree and start
>>> implementing that.
>>
>>
>> Which trees do you suggest I implement? There are random projection
>> trees, Bregman trees, UB trees, R+ trees, Hilbert trees, X trees, segment
>> trees, interval trees and range trees. Which one do you suggest I
>> implement?
>>
>>   When you have something written, we can test it by
>>> writing some unit tests and plugging it into existing mlpack methods and
>>> seeing if they still work.
>>>
>>> Here are some links to previous mailing list postings that may be
>>> helpful:
>>>
>>> https://mailman.cc.gatech.edu/pipermail/mlpack/2015-January/000545.html
>>> https://mailman.cc.gatech.edu/pipermail/mlpack/2014-March/000273.html
>>> https://mailman.cc.gatech.edu/pipermail/mlpack/2014-March/000273.html
>>
>>
>>>
>>> You can also look through the rest of the archives...
>>>
>>> https://mailman.cc.gatech.edu/pipermail/mlpack/2014-March/000273.html
>>>
>>> If I can clarify anything or help out, please let me know.
>>>
>>> Thanks!
>>>
>>> Ryan
>>>
>>> --
>>> Ryan Curtin    | "Weeee!"
>>> ryan at ratml.org |   - Bobby
>>>
>>
>>
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