| igb_standardsDS {dsBase} | R Documentation |
Converts birth measurements to INTERGROWTH z-scores/centiles (generic)
igb_standardsDS(
gagebrth = gagebrth,
z = z,
p = p,
val = val,
var = var,
sex = sex,
fun = fun
)
gagebrth |
the name of the "gestational age at birth in days" variable. |
z |
z-score(s) to convert (must be between 0 and 1). Default value is 0.
This value is used only if |
p |
centile(s) to convert (must be between 0 and 100). Default value is p=50.
This value is used only if |
val |
the name of the anthropometric variable to convert. |
var |
the name of the measurement to convert ("lencm", "wtkg", "hcircm", "wlr") |
sex |
the name of the sex factor variable. The variable should be coded as Male/Female. If it is coded differently (e.g. 0/1), then you can use the ds.recodeValues function to recode the categories to Male/Female before the use of ds.igb_standards |
fun |
the name of the function to be used. This can be one of: "igb_centile2value", "igb_zscore2value", "igb_value2zscore" (default), "igb_value2centile". |
assigns the converted measurement as a new object on the server-side
For gestational ages between 24 and 33 weeks, the INTERGROWTH very early preterm standard is used.
Demetris Avraam for DataSHIELD Development Team