Are some sets as elements of other sets?
Check if some elements are also sets of others. This is also known as hierarchical sets.
is_nested(object) ## S3 method for class 'TidySet' is_nested(object)
object |
A TidySet object. |
A logical value: TRUE if there are some sets included as elements of others.
adjacency
Other methods:
TidySet-class,
activate(),
add_column(),
add_relation(),
arrange.TidySet(),
cartesian(),
complement_element(),
complement_set(),
complement(),
element_size(),
elements(),
filter.TidySet(),
group_by.TidySet(),
group(),
incidence(),
intersection(),
is.fuzzy(),
move_to(),
mutate.TidySet(),
nElements(),
nRelations(),
nSets(),
name_elements<-(),
name_sets<-(),
name_sets(),
power_set(),
pull.TidySet(),
relations(),
remove_column(),
remove_element(),
remove_relation(),
remove_set(),
rename_elements(),
rename_set(),
select.TidySet(),
set_size(),
sets(),
subtract(),
union()
relations <- list(A = letters[1:3], B = c(letters[4:5])) TS <- tidySet(relations) is_nested(TS) TS2 <- add_relation(TS, data.frame(elements = "A", sets = "B")) # Note that A is both a set and an element of B TS2 is_nested(TS2)
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