Dataframe Or Lazyframe
| Command | Description |
|---|---|
| polars filter-with | Filters dataframe using a mask or expression as reference. |
| polars rename | Rename a dataframe column. |
| polars shift | Shifts the values by a given period. |
| polars unique | Returns unique values from a dataframe. |
| polars with-column | Adds a series to the dataframe. |