aggregate_cee_codes(x)recode_v5_to_v4(x)
aggregate_cee_codes Aggregates the sub-categories used
in coding several manifestos in Central and Eastern Europe (4 digits) to
the main categories in the coding scheme (3 digits).recode_v5_to_v4 recode the CMP codings according to
the more specialized Coding Handbook Version 5 to the more general
categories of Handbook Version 4. Codes 202.2, 605.2 and 703.2 are
converted to a 000, while all other subcategory codes with an appended
dot and fourth digit are aggregated to the corresponding three-digit
main category.