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Provide all combinations of strata levels.
combineStrata(levels, overall = FALSE)
A vector of all combinations of strata.
Vector of all strata levels to combine.
Whether to provide an empty element character().
character()
combineStrata(character()) combineStrata(character(), overall = TRUE) combineStrata(c("age", "sex"), overall = TRUE) combineStrata(c("age", "sex", "year"))
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