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/
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