check_duplicate_names: Check if vars in dt have duplicate names

In randrescastaneda/joyn: Tool for Diagnosis of Tables Joins and Complementary Join Features

Check if vars in dt have duplicate names

Description

Check if vars in dt have duplicate names

Usage

check_duplicate_names(dt, name)

Arguments

dt	data.frame to check
name	var name to check if has duplicates in dt

Value

logical either TRUE, if any duplicates are found, or FALSE otherwise

Examples

## Not run: 
# When no duplicates
x1 = data.table(id = c(1L, 1L, 2L, 3L, NA_integer_),
                t  = c(1L, 2L, 1L, 2L, NA_integer_),
                x  = 11:15)
joyn:::check_duplicate_names(x1, "x")

# When duplicates
x1_duplicates = data.frame(id = c(1L, 1L, 2L, 3L, NA_integer_),
                           x  = c(1L, 2L, 1L, 2L, NA_integer_),
                           x  = 11:15,
                           check.names = FALSE)
joyn:::check_duplicate_names(x1_duplicates, "x")

## End(Not run)

randrescastaneda/joyn documentation built on Dec. 20, 2024, 6:51 a.m.