v_nominal | R Documentation |
Constructors and methods for a nomimal categorical data type.
v_nominal
and nom
are synonyms that each create a new
v_nominal
object subclassed from vctrs_vctr
and factor
.
Support: see factor
Prototype: integer
v_nominal( x = factor(), internal_name = "", context, auto_compute_summary = auto_compute_default, extra_descriptors = list() ) nom( x = factor(), internal_name = "", context, auto_compute_summary = auto_compute_default, extra_descriptors = list() ) is_nominal(x) as_nominal(x) ## S3 method for class 'v_nominal' as_canonical(x)
x |
a |
internal_name |
the internal name of the variable |
context |
a |
auto_compute_summary |
an indicator of whether the |
extra_descriptors |
A |
Other stype types:
tbl_analysis
,
v_binary
,
v_continuous_nonneg
,
v_continuous
,
v_count
,
v_ordered
,
v_proportion
,
v_rcensored
# Example data src_fct <- factor(c("a", "bb", "a", "ccc", NA_character_)) # Constructor for the `v_nominal` class. One can also use `nom` which is a # synonym for the `v_nominal` function. v <- v_nominal( x = src_fct, internal_name = "v_example", context = context( short_label = "important_var", long_label = "Very important variable" ), extra_descriptors = list() ) # Helper functions and methods is_nominal(v) as_nominal(src_fct) as.character(v) as_canonical(v)
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