numFields {HLAtools}

Identify the Number of Fields in a Colon-Delimited Allele Name

Description

Returns the number of fields in a colon-delimited HLA allele name. A value of 1 is returned for digit-delimited HLA allele names.

Usage

numFields(allele)

Arguments

allele

A character string of a colon-delimited HLA allele name.

Value

A numeric value describing the number of fields in the allele name.

Examples

numFields("HLA-A*01:01")
numFields("DRB1*04:03:01")
numFields("13:02:01:01")