icd_new_diag: Create a new variable based on pattern in the argument expr

In epinotes/useicd10cm: functions and data for the use of ICD-10-CM codes

Description

Create a new variable based on pattern in the argument expr

Usage

icd_new_diag(data, expr, colvec, ignore.case = T, perl = T)

Arguments

data	input data
expr	regular expression describing the pattern of interest
colvec	indices of variables of interest
ignore.case	logical
perl	logical

Value

new variable matching the pattern described in the regular expression

Examples

library(dplyr)
library(purrr)
icd10cm_data150 %>%
  mutate(hero = icd_new_diag(., expr = "T401.[1-4]", colvec = c(2:6))) %>%
  count(hero)

epinotes/useicd10cm documentation built on Oct. 18, 2021, 2:33 a.m.