Find the list of columns that have a 1:1 mapping to each other

Source: R/get_one_to_one.R

Find the list of columns that have a 1:1 mapping to each other

get_one_to_one(dat)

Arguments

dat

A data.frame or similar object

Value

A list with one element for each group of columns that map identically to each other.

Examples

foo <- data.frame(
  Lab_Test_Long=c("Cholesterol, LDL", "Cholesterol, LDL", "Glucose"),
  Lab_Test_Short=c("CLDL", "CLDL", "GLUC"),
  LOINC=c(12345, 12345, 54321),
  Person=c("Sam", "Bill", "Sam"),
  stringsAsFactors=FALSE
)
get_one_to_one(foo)
#> [[1]]
#> [1] "Lab_Test_Long"  "Lab_Test_Short" "LOINC"         
#>