zha | R Documentation |
Calculate z-scores using with the WHO growth standards (0-5 years) and WHO
growth references (5-19 years). Like its alias zla
:
both assume that length was measured recumbent up to 2 years (day 730) and
height was measured standing from day 731 onward.
zha(height, age, sex, trim_extreme_z = FALSE)
height |
Height (cm), measured recumbent up to 2 years (day 730) and standing thereafter, as recommended by WHO. |
age |
Age (days) |
sex |
Sex, coded as "F" and "M" |
trim_extreme_z |
Replace extreme scores (ZHA > 6 or ZHA < -6),
described as biologically implausible by WHO, with |
A vector of height-for-age z-scores
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