Project on some columns and return a new DistributedDataFrame
(self, column_names)
| 54 | return self._jddf.getViewHandler().head(n) |
| 55 | |
| 56 | def project(self, column_names): |
| 57 | """ |
| 58 | Project on some columns and return a new DistributedDataFrame |
| 59 | """ |
| 60 | return DistributedDataFrame(self._jddf.getViewHandler().project(column_names)) |
| 61 | |
| 62 | def sample(self, size, replacement=False, seed=123): |
| 63 | """ |
nothing calls this directly
no test coverage detected