For tables with data with hierarchical categories, metadata containing hierarchy level descriptions is used to extract categories at a specified level of hierarchy only.
categories_for_level(data, column_name, level = NA, strict = FALSE,
remove_duplicates = TRUE)
data table object as returned from get_cansim()
the quoted name of the column to extract categories from
the hierarchy level depth to which to extract categories, where 0 is top category
(default FALSE
) when TRUE
will only extract that specific hierarchy level
(default TRUE
) When set to TRUE
higher level grouping categories already captured by lower level hierarchy data will be removed
A vector of categories