Oh, makes sense now.

I need to know the number of output classes. I got it to work.

Thanks

On Wed, Aug 19, 2015 at 11:28 PM, Nirmal Fernando <[email protected]> wrote:

> Thushan,
>
> What's the feature name? 'Class' was a sample.
>
> https://localhost:9443/api/datasets/1/stats?feature=
> <https://localhost:9443/api/datasets/1/stats?feature=Class>
> <YourFeatureName>
>
> On Wed, Aug 19, 2015 at 6:53 PM, Thushan Ganegedara <[email protected]>
> wrote:
>
>> Hi,
>>
>> I tried the api call, however, I got the following error
>>
>> Error occurred while retrieving summarized stats of feature [name] Class for 
>> the dataset [id] 2 of tenant [id] -1234 and [user] admin . Cause: 
>> org.wso2.carbon.ml.core.exceptions.MLDataProcessingException - An error 
>> occurred while retrieving summary statistics for the dataset: 2: No data is 
>> available [2000-140]
>>
>>
>> On Wed, Aug 19, 2015 at 10:43 PM, Thushan Ganegedara <[email protected]>
>> wrote:
>>
>>> Hi CD,
>>>
>>> Thanks a lot.
>>>
>>> On Wed, Aug 19, 2015 at 10:41 PM, CD Athuraliya <[email protected]>
>>> wrote:
>>>
>>>> Hi Thushan,
>>>>
>>>> You can retrieve the number of output classes (or class labels of
>>>> response variable) via this [1] API (e.g.
>>>> https://localhost:9443/api/datasets/1/stats?feature=Class). Number of
>>>> unique labels in that feature values are given in the JSON response like
>>>> below.
>>>>
>>>> [
>>>>     {
>>>>         "missing": 0,
>>>>         "median": "0",
>>>>         "values": [
>>>>             [
>>>>                 "0",
>>>>                 500
>>>>             ],
>>>>             [
>>>>                 "1",
>>>>                 268
>>>>             ]
>>>>         ],
>>>>         *"unique": 2,*
>>>>         "std": "0.477",
>>>>         "mean": "0.349",
>>>>         "bar": true,
>>>>         "key": "Frequency"
>>>>     }
>>>> ]
>>>>
>>>> [1]
>>>> https://docs.wso2.com/display/ML100/Retrieve+summarized+statistics+of+a+feature+in+a+dataset+via+REST+API
>>>>
>>>> Regards,
>>>> CD
>>>>
>>>> On Wed, Aug 19, 2015 at 5:47 PM, Thushan Ganegedara <[email protected]>
>>>> wrote:
>>>>
>>>>> Hi all,
>>>>>
>>>>> The D3 visualization component is almost ready. I've to tweak few
>>>>> things. I'm attaching an images of what it looks like. Also there's a
>>>>> button for updating the visualization whenever the Layer Sizes input text
>>>>> is changed
>>>>>
>>>>> Could someone please tell me a way to obtain the number of classes
>>>>> with an ajax call maybe? I could obtain the input feature count but not 
>>>>> the
>>>>> output class count.
>>>>>
>>>>> --
>>>>> Regards,
>>>>>
>>>>> Thushan Ganegedara
>>>>> School of IT
>>>>> University of Sydney, Australia
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> *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
>>>
>>
>>
>>
>> --
>> 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/
>
>
>


-- 
Regards,

Thushan Ganegedara
School of IT
University of Sydney, Australia
_______________________________________________
Dev mailing list
[email protected]
http://wso2.org/cgi-bin/mailman/listinfo/dev

Reply via email to