as.keyvalue.classcodes | R Documentation |
S3-method for generic decoder::as.keyvalue()
## S3 method for class 'classcodes'
as.keyvalue(x, coding, cc_args = list(), ...)
x |
classcodes object |
coding |
either a vector with codes from the original classification, or a name (character vector of length one) of a keyvalue object from package "decoder" (for example "icd10cm" or "atc") |
cc_args |
List of named arguments passed to |
... |
additional arguments passed to |
Object of class keyvalue
where key
is the subset of codes from
object$key
identified by the regular expression from x
and where
value
is the corresponding x$group
. Hence, note that the original
object$value
is not used in the output.
# List all codes with corresponding classes as recognized by the Elixhauser
# comorbidity classification according to the Swedish version of the
# international classification of diseases version 10 (ICD-10-SE)
head(decoder::as.keyvalue(elixhauser, "icd10se"))
# Similar but with the American ICD-10-CM instead
# Note that the `value` column is similar as above
# (with names from `x$group`) and not
# from `object$value`
head(decoder::as.keyvalue(elixhauser, "icd10cm"))
# Codes identified by regular expressions based on ICD-9-CM and found in
# the Swedish version of ICD-9 used within the national cancer register
# (thus, a subset of the whole classification).
head(
decoder::as.keyvalue(
elixhauser, "icd9",
cc_args = list(regex = "icd9cm")
)
)
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