The c() method for defined vectors ensures that all semantic metadata
(label, unit, concept, namespace, and value labels) match exactly. This
prevents accidental loss or mixing of incompatible definitions during
concatenation.
Usage
# S3 method for class 'haven_labelled_defined'
c(...)Arguments
- ...
One or more vectors created with
defined().
Details
All input vectors must:
Have identical
labelattributesHave identical
unit,concept, andnamespaceHave identical value labels (or none)
