Returns TRUE if the design was created (or passed through) rowwise().
Use this predicate in estimation functions to detect and handle (or
disallow) rowwise mode.
Arguments
- design
A
survey_baseobject.
See also
Other grouping:
group_by,
is_grouped(),
rowwise
Examples
# create a survey object from the bundled NPORS dataset
d <- surveycore::as_survey(
surveycore::pew_npors_2025,
weights = weight,
strata = stratum
)
# FALSE for a freshly-built design; TRUE after rowwise()
is_rowwise(d)
#> [1] FALSE
is_rowwise(rowwise(d))
#> [1] TRUE
