cmbd | R Documentation |
This function maps a matrix of ICD9 codes to AHRQ comorbidity measures.
cmbd(icd, drg = NULL, needClean = TRUE, needPrep = TRUE)
icd |
a character matrix of icd9 codes, with rows representing patients. |
drg |
a numeric vector of drg codes, with length the same as
|
needClean |
logical, TRUE means cleaning is needed (string trimming, zero supplementation) |
needPrep |
logical, TRUE means preparation is needed (convert char to numeric) |
a matrix with the same number of rows as the input and with the comorbidity measures in columns
Jun Yan
Elixhauser et. al. (1998)
data(dxDat) drg <- dxDat$drg icd <- dxDat[, -1L] output <- cmbd(icd, drg=drg)
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