TransformsΒΆ
Transforms are the basic pipeline components. There are a fair number of them, but they can be grouped roughly into families what have similar functionality.
- Input/Output
- Filtering
- Splitting
- Merging
- Reformatting
- Cast: Change the data type of a field
- Fill: Fill in missing values by copying down
- Format: Replace a value with a computed value
- Lookup: Replace a value with one from a lookup table
- Lag: Shift values by a number of rows
- Lift: Fill in missing values by copying up
- Replace: Rewrite a string using capture groups
- Reshaping
- Internals