REDCapCAST/reference/set_attr.md

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# Set attributes for named attribute. Appends if attr is NULL
Set attributes for named attribute. Appends if attr is NULL
## Usage
``` r
set_attr(data, label, attr = NULL, overwrite = FALSE)
```
## Arguments
- data:
vector
- label:
label
- attr:
attribute name
- overwrite:
overwrite existing attributes. Default is FALSE.
## Value
vector with attribute