* Internal function to reset the index of the NDFrame using a range of indices.
()
| 293 | * Internal function to reset the index of the NDFrame using a range of indices. |
| 294 | */ |
| 295 | $resetIndex(): void { |
| 296 | this.$index = utils.range(0, this.shape[0] - 1) |
| 297 | } |
| 298 | |
| 299 | /** |
| 300 | * Returns the column names of the NDFrame |