Named Split data frame by group
named_group_split(.tbl, ..., arrange = NULL)
| .tbl | A tbl | 
|---|---|
| ... | Grouping specification, forwarded to  | 
| arrange | A character. If  | 
returns a named list of tibbles. Each tibble contains the rows of .tbl for the associated group and all the columns, including the grouping variables.
https://github.com/tidyverse/dplyr/issues/4223