Description Usage Arguments Details Value
Sorts lists of numeric only, V or E codes. Note that a simple numeric sort does not work for ICD-9 codes, since "162" > "1620", and also V codes precede E codes.
1 2 3 4 5 | icd9Sort(icd9, isShort = icd9GuessIsShort(icd9))
icd9SortShort(icd9Short)
icd9SortDecimal(icd9Decimal)
|
icd9 |
is a character vector or factor 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". |
isShort |
single logical value which determines whether the ICD-9 code provided is in short (TRUE) or decimal (FALSE) form. Where reasonable, this is guessed from the input data. |
icd9Short |
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" |
icd9Decimal |
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" |
Implementation used fast built-in sort, then shuffles the E codes to the end.
sorted vector of ICD-9 codes. Numeric, then E codes, then V codes.
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