## models.group_k_fold()


Grouped `k`-fold splits: each group's rows stay in one fold.


Usage


``` python
models.group_k_fold(
    groups,
    k,
    seed,
)
```


## Parameters


`groups: list of str`  

`k: int`  

`seed: int`  


## Returns


`list of (list of int, list of int)`