[jira] [Created] (ZEPPELIN-2237) Grouping in pie chart isn't accurate

["Sravan S (JIRA)" <ji...@apache.org>]

Sravan S created ZEPPELIN-2237:
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             Summary: Grouping in pie chart isn't accurate
                 Key: ZEPPELIN-2237
                 URL: https://issues.apache.org/jira/browse/ZEPPELIN-2237
             Project: Zeppelin
          Issue Type: Bug
          Components: front-end
    Affects Versions: 0.7.0
            Reporter: Sravan S


While I was verifying ZEPPELIN-1889, I tried grouping with pie chart, when I tried grouped data, I think, it's only displaying information from the first group

* Use bank data from example spark job that comes with Zeppelin.
* Wrote an sql query: select * from bank limit 100;
* In the visualization settings, select pie chart
* Set- key: marital, groups: education, value: avg(balance)

Results displayed in graph:
* Divorced: 61% 487
* Married: 50% 399

This is statistically correct, I guess, because, there is one more result: 'single: -11% -91', which cannot be displayed on  a pie chart

But the chart only displays data from people who completed only primary education, where as it should display results from people with other educational qualifications






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