Hi,

Sort option for feature column will now use natural sorting (both ascending
and descending) [1]. Still the initial load will not be sorted. It appears
that DataTables plugin fails to apply natural sorting for initial load.

[1] https://wso2.org/jira/browse/ML-209

On Tue, Aug 11, 2015 at 12:45 PM, Nirmal Fernando <nir...@wso2.com> wrote:

> Great! Please create a Jira.
>
> On Tue, Aug 11, 2015 at 12:43 PM, Thushan Ganegedara <thu...@gmail.com>
> wrote:
>
>> Hi CD,
>>
>> No worries.
>>
>> On Tue, Aug 11, 2015 at 5:11 PM, CD Athuraliya <chathur...@wso2.com>
>> wrote:
>>
>>> Hi Nirmal,
>>>
>>> We will be able to fix this issue.
>>>
>>> Thanks Thushan for pointing this out! :)
>>>
>>>
>>>
>>> On Tue, Aug 11, 2015 at 12:32 PM, Nirmal Fernando <nir...@wso2.com>
>>> wrote:
>>>
>>>> @CD, is this something we could fix? can we list features in the order
>>>> of the indices?
>>>>
>>>> On Tue, Aug 11, 2015 at 12:25 PM, Thushan Ganegedara <thu...@gmail.com>
>>>> wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> I noticed that, in certain cases, the features don't follow the
>>>>> correct ordering. Any idea why this is happening?
>>>>>
>>>>> For example in this image, V10 appears after V1
>>>>>
>>>>> On Tue, Aug 11, 2015 at 12:10 PM, Thushan Ganegedara <thu...@gmail.com
>>>>> > wrote:
>>>>>
>>>>>> Hi all,
>>>>>>
>>>>>> After a daunting struggle, I was able to corner the issue with the
>>>>>> poor accuracy for the specific leaf dataset. The dataset has classes 
>>>>>> from 1
>>>>>> to 36. However, there are no classes from 16th - 22nd. i.e. Classes go as
>>>>>> 1,2,..,14,15,23,24,...,35,36
>>>>>>
>>>>>> Then, while converting these class labels to enums in H-2-O (combined
>>>>>> with the fact that there's very little data for each class) confuses 
>>>>>> H-2-O
>>>>>> and causes it to *assign different enum values for the same classes
>>>>>> in different datasets*. Which manifest itself as a poor accuracy.
>>>>>>
>>>>>> I suspect that there's a mismatch between the labels provided by
>>>>>> JavaRDD and enums produced by H-2-O as well. I'm looking into this issue
>>>>>> right now.
>>>>>>
>>>>>> Thank you
>>>>>>
>>>>>> On Mon, Aug 10, 2015 at 11:16 AM, Thushan Ganegedara <
>>>>>> thu...@gmail.com> wrote:
>>>>>>
>>>>>>> Hi all,
>>>>>>>
>>>>>>> I've been testing the new Deeplearning component with few different
>>>>>>> datasets (mainly leaf dataset) and the leaf dataset seems to be not 
>>>>>>> working
>>>>>>> as expected for an unknown reason.
>>>>>>>
>>>>>>> However, I tested the Deeplearning component extensively with the
>>>>>>> leaf dataset and identified several potential problems that might be
>>>>>>> causing the poor accuracy.
>>>>>>>
>>>>>>> 1. Need to have higher number of epochs (compared to other datasets)
>>>>>>> to produce a reasonable accuracy.
>>>>>>>
>>>>>>> 2. Too many neurons causing overfitting thereby causing poor
>>>>>>> accuracy.
>>>>>>>
>>>>>>> 3. Some classes have quite closely related features (Especially the
>>>>>>> latter classes are misclassified often)
>>>>>>>
>>>>>>> I was able to get an accuracy of 86% with Logistic Regression
>>>>>>> L-BFGS. Which is quite reasonable. But I'm having trouble reaching that
>>>>>>> accuracy with Deeplearning (which should be quite easy). Highest 
>>>>>>> accuracy I
>>>>>>> reached so far is 71.xx%
>>>>>>>
>>>>>>> So I'm still looking for any definite issues causing the poor
>>>>>>> accuracy.
>>>>>>>
>>>>>>> Thank you.
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Regards,
>>>>>>>
>>>>>>> Thushan Ganegedara
>>>>>>> School of IT
>>>>>>> University of Sydney, Australia
>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Regards,
>>>>>>
>>>>>> Thushan Ganegedara
>>>>>> School of IT
>>>>>> University of Sydney, Australia
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Regards,
>>>>>
>>>>> Thushan Ganegedara
>>>>> School of IT
>>>>> University of Sydney, Australia
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>>
>>>> Thanks & regards,
>>>> Nirmal
>>>>
>>>> Team Lead - WSO2 Machine Learner
>>>> Associate Technical Lead - Data Technologies Team, WSO2 Inc.
>>>> Mobile: +94715779733
>>>> Blog: http://nirmalfdo.blogspot.com/
>>>>
>>>>
>>>>
>>>
>>>
>>> --
>>> *CD Athuraliya*
>>> Software Engineer
>>> WSO2, Inc.
>>> lean . enterprise . middleware
>>> Mobile: +94 716288847 <94716288847>
>>> LinkedIn <http://lk.linkedin.com/in/cdathuraliya> | Twitter
>>> <https://twitter.com/cdathuraliya> | Blog
>>> <http://cdathuraliya.tumblr.com/>
>>>
>>
>>
>>
>> --
>> Regards,
>>
>> Thushan Ganegedara
>> School of IT
>> University of Sydney, Australia
>>
>
>
>
> --
>
> Thanks & regards,
> Nirmal
>
> Team Lead - WSO2 Machine Learner
> Associate Technical Lead - Data Technologies Team, WSO2 Inc.
> Mobile: +94715779733
> Blog: http://nirmalfdo.blogspot.com/
>
>
>


-- 
*CD Athuraliya*
Software Engineer
WSO2, Inc.
lean . enterprise . middleware
Mobile: +94 716288847 <94716288847>
LinkedIn <http://lk.linkedin.com/in/cdathuraliya> | Twitter
<https://twitter.com/cdathuraliya> | Blog <http://cdathuraliya.tumblr.com/>
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