Hi, I'm not sure the kind of data set you are looking for. But we have a real use case of predicting and also the actual data relevant to predicted time, in Stratos. Load average, memory consumption, and requests in flight are predicted currently in Stratos, and we use CEP to receive those data.
Thanks On Fri, May 22, 2015 at 2:43 PM, Supun Sethunga <sup...@wso2.com> wrote: > Can we take a random sample from the test data and use that for this >> process? >> --Srianth > > > +1 > > AFAIK, we are doing a similar thing to the ROC curve points too.. > > Regards, > Supun > > On Fri, May 22, 2015 at 2:28 PM, CD Athuraliya <chathur...@wso2.com> > wrote: > >> Hi Srinath, >> >> Still that random sample will not correspond to predicted vs. actual >> values in test results. Given that there is no mapping between random >> sample data points and test result points. One thing we can do is running >> test separately (using the same model) for sampled data for the sole >> purpose of visualization. Any other options? >> >> On Fri, May 22, 2015 at 2:06 PM, Srinath Perera <srin...@wso2.com> wrote: >> >>> Hi CD, >>> >>> Can we take a random sample from the test data and use that for this >>> process? >>> >>> --Srianth >>> >>> On Fri, May 22, 2015 at 12:00 PM, CD Athuraliya <chathur...@wso2.com> >>> wrote: >>> >>>> Hi all, >>>> >>>> To implement $subject in ML we need all feature values of the dataset >>>> against predicted and actual values for test data. But Spark only returns >>>> predicted and actual values as test results. Right now we use random 10,000 >>>> data rows for other visualizations and we cannot use same data for this >>>> visualization since that random 10,000 data does not correspond to test >>>> data (test data is a subtracted from dataset according to the train data >>>> fraction at model building stage). >>>> >>>> One option is to persist test data at testing stage, but it can be too >>>> large for some datasets according to train data fraction. Appreciate if you >>>> can give your comments on this. >>>> >>>> Thanks, >>>> CD >>>> >>>> -- >>>> *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/> >>>> >>> >>> >>> >>> -- >>> ============================ >>> Blog: http://srinathsview.blogspot.com twitter:@srinath_perera >>> Site: http://people.apache.org/~hemapani/ >>> Photos: http://www.flickr.com/photos/hemapani/ >>> Phone: 0772360902 >>> >> >> >> >> -- >> *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/> >> > > > > -- > *Supun Sethunga* > Software Engineer > WSO2, Inc. > http://wso2.com/ > lean | enterprise | middleware > Mobile : +94 716546324 > > _______________________________________________ > Dev mailing list > Dev@wso2.org > http://wso2.org/cgi-bin/mailman/listinfo/dev > > -- -- Lahiru Sandaruwan Committer and PMC member, Apache Stratos, Senior Software Engineer, WSO2 Inc., http://wso2.com lean.enterprise.middleware phone: +94773325954 email: lahi...@wso2.com blog: http://lahiruwrites.blogspot.com/ linked-in: http://lk.linkedin.com/pub/lahiru-sandaruwan/16/153/146
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