Check ID integrity

Validates ID column for common issues: missing values, duplicates, and suspicious formats.

Usage

check_id(.data, .id = ".id")

Arguments

.data

A data frame with ID column.

.id

Column name (default: ".id").

Value

Invisibly returns a list with:

• valid: TRUE if no issues found

• n_na: count of NA values

• n_duplicates: count of duplicate IDs

• format_ok: TRUE if IDs look like proper UUIDs/hashes

Examples

df <- add_id(data.frame(x = 1:3))
check_id(df)