# DF

### Description
Computes DF of `T` in `DT`

### Input
- `DT [OBJ,String]`: a list of object-string pairs.
### Output
- `DTdf [OBJ,String]`: DF-weighted pairs
- `Tdf [String]`: DF-weighted strings

### Parameters

Output scores can be [aggregated](docs://score_aggregation) and/or [normalised](docs://score_normalisation).