Nest a var_grp_df by the z columns
Arguments
- var_grp_df
the var_grp dataframe
- .subgroup
in the nested data frames also group the
ycolumns- .key
The name of the resulting nested column. Only applicable when
...isn't specified, i.e. in the case ofdf %>% nest(.by = x).If
NULL, then"data"will be used by default.