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Rename nature of injury columns for consistency

Source: R/rename_ni_flag.R
rename_ni_flag.Rd

Some of the NBER ICD-9 MCOD files use rniflag_ as a column name while others use rnifla_. This function makes the names consistent (to rnifla_).

Usage

rename_ni_flag(icd9_df)

Arguments

icd9_df

an ICD-9 dataframe

Value

dataframe

Examples

df <- data.frame(rniflag_1 = c(0, 1), record_1 = c("E850", "9650"))
rename_ni_flag(df)
#>   rnifla_1 record_1
#> 1        0     E850
#> 2        1     9650