zhca: Head circumference-for-age z-scores

View source: R/functions.R

zhcaR Documentation

Head circumference-for-age z-scores

Description

Calculate z-scores using with the WHO growth standards (0-5 years).

Usage

zhca(headc, age, sex, trim_extreme_z = FALSE)

Arguments

headc

Head circumference (cm)

age

Age (days)

sex

Sex, coded as "F" and "M"

trim_extreme_z

Replace extreme scores (ZHCA > 5 or ZHCA < -5), described as biologically implausible by WHO, with NA.

Value

A vector of head circumference-for-length z-scores


simisc/whozr documentation built on March 24, 2023, 5:14 p.m.