Man pages for declared
Functions for Declared Missing Values
| as.haven | Coerce to haven / labelled objects |
| declared | Labelled vectors with declared missing values |
| declared_internal | declared internal functions |
| declared_package | Functions for Declared Missing Values |
| drop_undeclare | Drop information / undeclare labelled objects |
| is.empty | Test the presence of empty (undeclared) missing values |
| labels | Get / Declare value labels |
| measurement | Get / Set measurement levels for declared objects |
| missing_values | Get / Declare missing values |
| weighted | Compute weighted summaries for declared objects |
