Check that the data type matches the control type

**Issue by [mitchellsundt](https://github.com/mitchellsundt)**
_Thursday Jul 09, 2015 at 19:14 GMT_
_Originally opened as https://github.com/opendatakit/opendatakit/issues/767 (4 comment(s))_

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Originally reported on Google Code with ID 766

```
In the last bar in the attached example, Nyati, Pongo, Digidigi are all clumped together
as one item. Ideally, there should be an option for bar graph for each answer.

I suppose the fundamental problem is that it's hard to analyze data in selects without
them being broken into separate columns. One good work around might be document a way
to do this in Excel
```

Reported by `yanokwa@nafundi.com` on 2013-02-14 19:08:16

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- _Attachment: bar-graph.png
_