summarise atctree object
show-atctree-method.Rdshows schema, number of nodes and levels and a cross-table, excluding the root node.
Examples
h <- atctree(whichlevs=1:4)
(h)
#>
#> schema: none
#> total number of nodes: 1318
#> total number of levels: 4
#> number of nodes by level :
#> 1 2 3 4
#> 14 94 271 939