group_metadata | R Documentation |
Retrieve the (reference) groups to which the observations belong.
group_levels(object)
group_names(object)
group_rows(object)
group_length(object)
group_size(object)
group_indices(object)
is_assigned(object)
any_assigned(object)
all_assigned(object)
## S4 method for signature 'ReferenceGroups'
group_levels(object)
## S4 method for signature 'ReferenceGroups'
group_names(object)
## S4 method for signature 'ReferenceGroups'
group_indices(object)
## S4 method for signature 'ReferenceGroups'
group_rows(object)
## S4 method for signature 'ReferenceGroups'
group_length(object)
## S4 method for signature 'ReferenceGroups'
group_size(object)
## S4 method for signature 'ReferenceGroups'
is_assigned(object)
## S4 method for signature 'ReferenceGroups'
any_assigned(object)
## S4 method for signature 'ReferenceGroups'
all_assigned(object)
object |
A grouped R object. |
group_levels(ReferenceGroups)
: returns a character
vector giving the group
names.
group_names(ReferenceGroups)
: returns a character
vector giving the name of
the group that each observation belongs to.
group_indices(ReferenceGroups)
: returns an integer
vector giving the group
that each value belongs to.
group_rows(ReferenceGroups)
: returns a list
of integer
vectors giving the
observation that each group contains.
group_length(ReferenceGroups)
: gives the total number of groups.
group_size(ReferenceGroups)
: gives the size of each group.
is_assigned(ReferenceGroups)
: returns a logical
vector specifying whether or
not an observation belongs to a group.
any_assigned(ReferenceGroups)
: returns an logical
scalar specifying if any
observation belongs to a group.
all_assigned(ReferenceGroups)
: returns an logical
scalar specifying if all
observations belong to a group.
N. Frerebeau
Other grouping methods:
group()
,
group_extract()
,
group_split()
## Data from Aitchison 1986
data("slides")
## Coerce to compositional data
coda <- as_composition(slides, groups = 2)
## Grouping metadata
group_levels(coda)
group_names(coda)
group_indices(coda)
group_rows(coda)
group_length(coda)
group_size(coda)
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