get_wfh_zchart: Extract weight-for-length/height z-score data

In nutriverse/nutricheckr: Tools for Nutrition Assessment and Analysis

Extract weight-for-length/height z-score data

Description

Function to extract weight-for-length/height z-score data from the World Health Organization (WHO) website on Child Growth Standards (http://www.who.int/childgrowth/standards/) which contains a collection of reference data from the WHO Multicentre Growth Reference Study (MGRS). This function extracts the expanded data provided by WHO for creating growth charts for weight-for-length/height z-scores.

Usage

get_wfh_zchart(
  baseurl = "http://www.who.int/childgrowth/standards/",
  gender = c("boys", "girls")
)

Arguments

baseurl	Character value for the base URL of the WHO Child Growth Standards. The default is http://www.who.int/childgrowth/standards/. This can be adjusted should WHO change the base URL for the Child Growth Standards section of their website.
gender	A character value or vector that specifies the sex-specific reference data to extract. The default is c("boys", "girls").

Value

A data frame in tidy format with 4 coloumns and 21636 rows:

Variable	Description
sex	Sex of child. 1 = boy; 2 = girl
lh	Length/height of child in centimetres
sd_type	Type of z-score. Can be one of 4SD, 3SD, 2SD, 1SD, 0,
	-1SD, -2SD, -3SD, -4SD
sd_value	Weight (kgs) value for the specified sd_type

Author(s)

Ernest Guevarra

Examples

# Get weight-for-length/height z-score expanded tables for charting
#if (interactive) get_wfh_zchart()

nutriverse/nutricheckr documentation built on April 1, 2022, 7:44 p.m.