[mlpack] Student looking to contribute to mlpack

[Rohit Shinde]

Yes! I think maybe that link redirected it to an svn repository which is
why I couldn't access it.

On 6:08AM, Sun 12-Apr-2015 Ajinkya Kale <kaleajinkya at gmail.com> wrote:

> 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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>
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