is a character vector of ICD-9 codes. If fewer than five characters is given
in a code, then the digits are greedily assigned to hundreds, then tens,
then units, before the decimal parts. E.g. "10" becomes "010", not "0010"
minorEmpty
vector of length one, to be used in place of
minor part of zero. Defaults to ""
invalidAction
character string (unit length) containing one of:
"ignore", "silent", "warn", "stop"
- ignore no check for validity of ICD-9 code is made implicitly.
This is the fastest option. If the function call is explicitly to check
validity, e
Value
data.frame with two columns. At least the minor part must be
character, because "03" is different to "3", but "30" is the same as "3"