Github user corneadoug commented on the issue:
https://github.com/apache/zeppelin/pull/1351
@prabhjyotsingh It is already, that's why there is 1.412 shown in the
tooltip.
The other one is the group name.
The original purpose of this PR is that in case of the group name we should
not remove what is after the coma.
To give a non numerical example:
##### Before the PR
Group Name would go from `hello.world` -> `hello` in the legend
##### After the PR
Group Name would be shown as `hello.world` in the legend
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