In such cases we make those calls as synchronous calls (async: false). CD Athuraliya Sent from my mobile device On Aug 19, 2015 7:08 PM, "Thushan Ganegedara" <[email protected]> wrote:
> Also, I got an implementation concern as well, > > I have the following ajax calls taking place, > > getting number of input features, > getting the response variable > getting the number of output classes using the response variable > > then executing the visualization script > > Should I use nested ajax calls? > > > > On Wed, Aug 19, 2015 at 11:32 PM, Thushan Ganegedara <[email protected]> > wrote: > >> 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 >> > > > > -- > Regards, > > Thushan Ganegedara > School of IT > University of Sydney, Australia >
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