unnest_tree | R Documentation |
Unnest a recursive data frame
unnest_tree( data, id_col, child_col, level_to = "level", parent_to = "parent", ancestors_to = NULL )
data |
A data frame. |
id_col |
A column that uniquely identifies each observation. |
child_col |
Column containing the children of an observation. This must
be a list where each element is either |
level_to |
A string ( |
parent_to |
A string ( |
ancestors_to |
A string ( |
A data frame.
df <- tibble( id = 1L, name = "a", children = list( tibble( id = 11:12, name = c("b", "c"), children = list( NULL, tibble( id = 121:122, name = c("d", "e") ) ) ) ) ) unnest_tree( df, id_col = "id", child_col = "children", level_to = "level", parent_to = "parent", ancestors_to = "ancestors" )
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