get_one_to_one {janitor} | R Documentation |
Find the list of columns that have a 1:1 mapping to each other
get_one_to_one(dat)
dat |
A data.frame or similar object |
A list with one element for each group of columns that map identically to each other.
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)