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childsds (version 0.7.4)

Data and Methods Around Reference Values in Pediatrics

Description

Calculation of standard deviation scores and percentiles adduced from different growth standards (WHO, UK, Germany, Italy, China, etc). Therefore, the calculation of SDS-values for different measures like BMI, weight, height, head circumference, different ratios, etc. are easy to carry out. Also, references for laboratory values in children and adults are available, e.g., serum lipids, iron-related blood parameters, IGF, liver enzymes. In the new version, there are also functions combining the lms() function from package 'gamlss' with resampling methods for using with repeated measurements and family dependencies. A searchable list of items can be found here: .

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Version

Install

install.packages('childsds')

Monthly Downloads

647

Version

0.7.4

License

GPL-3

Maintainer

Mandy Vogel

Last Published

March 26th, 2019

Functions in childsds (0.7.4)

do_iterations

do lms iterations
doyon_height.ref

Parameters for different carotid artery intima-media thickness and distensibility dependent on height
kiggs_bp.ref

Parameters derived from the German KiGGS cohort
kiggs.ref

LMS Parameters for German reference data (KiGGS, 2003-2006) for height, weight, bmi, hip, whr, whtr, bodyfat, skinfold sum, triceps skinfold, subscapular skinfold, and waist circumference
one_iteration

one iteration
nl4.ref

Parameters derived from the 4th Dutch growth study
show,RefGroup-method

class RefGroup
turkish.ref

Parameters derived from Turkish children
doyon_age.ref

Parameters for different carotid artery intima-media thickness and distensibility dependent on age
bp_wuehl_height.ref

Parameters from Wuehl et al. blood pressure reference values Germany according to height from version 0.7.3 unplausible values are replaced by interpolated ones. For the original values check out earlier versions
fit_vgam

fit lms parameters via VGAM
calc_confints

Calculate confidence intervals
fit_gamlss

fit lms
duran_bf.ref

Parameters for bodyfat ( for Whites, Blacks, and Mexican-Americans
ethiop.ref

Parameters derived Ethiopian children
fredriks05.ref

Parameters derived from Dutch children (additional to nl4.ref)
international_lab.ref

International Laboratory Parameters Tables
japan_lab.ref

Parameters of serum insulin-like growth factor-I (IGF-I)
life_liver.ref

Parameters for serum liver enzymes
kro.ref

LMS Parameters for German reference data (Kromeyer Hauschild, 2001) for height, weight, bmi, and waist circumference, including preterm correction (Voigt)
life_skinfold.ref

Parameters for different skinfolds
iron.ref

Parameters for iron-related blood parameters in children
sdsold

Calculate SDS Values
select_fams

select families
japanese.ref

Parameters derived from Japanese children
mock_df

Mock a data frame
lipids.ref

Parameters for serum lipids in children
italian.ref

Parameters derived from Italian children
zong13.ref

Parameters derived from Chinese children (additional to nl4.ref)
mock_value

Mock Value
preterm.ref

Parameters Preterm and Intrauterine
make_percentile_tab

calculate raw values
life_circ.ref

Parameters for different circumferences and whr and whtr
select_meas

choose one measurement per subject
mock_values

Mock Values
portug.ref

Parameters derived from Portuguese children
saudi.ref

Parameters derived from Saudi children
nl3.ref

Parameters of skinfold measures derived from Colombian population
show,ParTab-method

class ParTab
prepare_data

prepare data for iteration process
uk1990.ref

Parameters from the 1990 UK growth study
ukwho.ref

LMS Parameters for UK-WHO growth charts for height, weight, bmi, head circumference
us.ref

Parameters derived from US children (additional to the cdc.ref)
who.ref

LMS Parameters for UK-WHO growth charts for height, weight, bmi, head circumference,arm mid upper arm circumference, subscapular and triceps skinfold, weight for height
sds

Calculate SDS Values
sds_2d

Calculate SDS Values for 2-dimensional matrix of covariates
who2007.ref

Parameters of skinfold measures derived from Colombian population
wormplot_gg

Worm Plot ggplot version
aga_15.ref

Parameters from recommendations of the German Adiposity Association (2015, AGA)
aggregate_lms

aggregate lms parameters
cdc.ref

LMS Parameters for the Centers for Disease Control and Prevention 2000 Growth Charts, contains bmi, height, head cirumference, weight, weight for length,
belgium.ref

Parameters derived from Flandern population
colombia_sf.ref

Parameters of skinfold measures derived from Colombian population
bp_wuehl_age.ref

Parameters from Wuehl et al. blood pressure reference values Germany according to age, from version 0.7.3 unplausible values are replaced by interpolated ones. For the original values check out earlier versions
fit_gamlss1

fit_gamlss1
ParTab-class

Table of references
RefGroup-class

Class of references