Package index

Get growth indicator classifications in data.frame-like objects

classify_growth()

Classify multiple growth indicators at the same time using GIGS-recommended growth standards

classify_sfga()

Classify size-for-gestational age in data.frame-like objects with the INTERGROWTH-21^st weight-for-gestational age standard

classify_svn()

Classify small vulnerable newborns in data.frame-like objects with the INTERGROWTH-21^st weight-for-gestational age standard

classify_stunting()

Classify stunting in data.frame-like objects with GIGS-recommended growth standards

classify_wasting()

Classify wasting in data.frame-like objects with GIGS-recommended growth standards

classify_wfa()

Classify weight-for-age in data.frame-like objects with GIGS-recommended growth standards

classify_headsize()

Classify head size in data.frame-like objects with GIGS-recommended growth standards

Get growth indicator classifications using multiple vectors

compute_sfga()

Get size-for-gestational age categories using multiple vectors and the INTERGROWTH-21^st weight-for-gestational age standard

compute_svn()

Get small vulnerable newborn categories using multiple vectors and the INTERGROWTH-21^st weight-for-gestational age standard

compute_stunting()

Get stunting categories using multiple vectors and GIGS-recommended growth standards

compute_wasting()

Get wasting categories using multiple vectors and GIGS-recommended growth standards

compute_wfa()

Get weight-for-age categories using multiple vectors and GIGS-recommended growth standards

compute_headsize()

Get head size categories using multiple vectors and GIGS-recommended growth standards

Get growth indicator classifications from z-scores/centiles

categorise_sfga()

Categorise birthweight centiles into size-for-gestational age strata

categorise_svn()

Categorise birthweight centiles and gestational ages into small vulnerable newborn strata

categorise_stunting()

Categorise length/height-for-age z-scores into stunting strata

categorise_wasting()

Categorise weight-for-length/height z-scores into wasting strata

categorise_wfa()

Categorise weight-for-age z-scores into weight-for-age strata

categorise_headsize()

Categorise head circumference-for-age z-scores into head circumference-for-age strata

Get z-scores using recommended standards

gigs_waz() gigs_lhaz() gigs_wlz() gigs_hcaz()

Calculate z-scores for anthropometric measures according to GIGS guidance

Convert between values and z-scores/centiles using international growth standards

value2zscore() value2centile()

Convert anthropometric measures to z-scores/centiles using international growth standards

zscore2value() centile2value()

Convert z-scores/centiles to anthropometric measures using international growth standards

report_units()

Check required units for a conversion using gigs

INTERGROWTH-21^st Estimation Functions

Estimation functions from the INTERGROWTH-21^st Project.

ig_fet_estimate_fetal_weight()

Estimate fetal weight in grams using the INTERGROWTH-21^st predictive equation

ig_fet_estimate_ga()

Estimate gestational age using INTERGROWTH-21^st predictive equations

Reference data and coefficient tables

Lists containing data frames with growth curve data, model parameters for WHO and some INTERGROWTH-21^st standards, and data from the LIFE study.

ig_nbs

INTERGROWTH-21^st Newborn Size Standards (including very preterm) growth curve data

ig_nbs_coeffs

INTERGROWTH-21^st Newborn Size Standards GAMLSS coefficients

ig_nbs_ext

Extended INTERGROWTH-21^st Newborn Size Standards (including very preterm) growth curve data

ig_nbs_ext_coeffs

Extended INTERGROWTH-21^st Newborn Size Standards GAMLSS coefficients

ig_png

INTERGROWTH-21^st Postnatal Growth Standards growth curve data

ig_fet

INTERGROWTH-21^st Fetal Standards growth curve data

who_gs

WHO Child Growth Standards growth curve data

who_gs_coeffs

WHO Child Growth Standards LMS coefficients

life6mo

Data extract from the Low birthweight Infant Feeding Exploration (LIFE) study

Package-level options

Options to control how gigs should handle missing or undefined data, and some out-of-bounds values.

.gigs_options

Package-level gigs options

gigs_option_get() gigs_option_set() gigs_input_options_set()

Get and set gigs package-level options