dh.zByGroup: Creates z-scores within specified bands

In lifecycle-project/ds-cs-functions: Helper Functions for Use with 'DataSHIELD'

Creates z-scores within specified bands

Description

Especially with mental health outcomes, we often want to transform raw scores into z-scores, but within certain age bands (e.g. measurement occasion or per year). This function does this.

Usage

dh.zByGroup(df, out_var, age_var, low_band, upp_band, conns, new_obj)

Arguments

df	Character specifying a server-side data frame.
out_var	Variable to make z-scores for
age_var	Age variable
low_band	Lower band for z score
upp_band	Upper band for z score
conns	DataSHIELD connections object.
new_obj	Character specifying name for created serverside object.

Value

Z score serverside within specified bands

See Also

Other trajectory functions: dh.lmeMultPoly(), dh.makeAgePolys(), dh.makeLmerForm(), dh.predictLmer(), dh.trimPredData()

Other data manipulation functions: dh.makeAgePolys(), dh.makeIQR(), dh.quartileSplit()

lifecycle-project/ds-cs-functions documentation built on Nov. 18, 2024, 3:36 p.m.