Github user shivaram commented on the pull request:
https://github.com/apache/spark/pull/9394#issuecomment-153237830
I think this error is related
```
First time using roxygen2 4.0. Upgrading automatically...
Error: Failure in roxygen block beginning DataFrame.R:23
Mismatched braces: "@seealso \{createDataFrame}, \link{jsonFile},
\link{table}"
Execution halted
```
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