isSedol: Check validity of SEDOL identifier

In yanlesin/SEC13Flist: Functions to Work with Official List of SEC Section 13(f) Securities and Security Identifiers

Check validity of SEDOL identifier

Description

This function check validity of SEDOL code by comparing calculated checksum digit based on first 6 characters of SEDOL code with 7th character of SEDOL code - checksum digit

Usage

isSedol(s)

Arguments

s	seven-character string with SEDOL code to validate

Value

Logical value indicating validity of SEDOL number: TRUE if SEDOL number is valid, FALSE if SEDOL number is invalid

Examples

library(SEC13Flist)
isSedol("2046252") #invalid SEDOL example
isSedol("2046251") #valid SEDOL example

yanlesin/SEC13Flist documentation built on Jan. 21, 2025, 5:23 p.m.