Extract the Strata attribute from an object, if present
Usage
# Default S3 method
strata(x)Value
a
tibble::tibble()with strata in rows, orNULLifxdoes not have a"strata"attribute
Extract the Strata attribute from an object, if present
# Default S3 method
strata(x)a tibble::tibble() with strata in rows, or
NULL if x does not have a "strata" attribute