ICCforlongformat: ICClong
In LabNeuroCogDevel/LNCDR: Laboratory of Neuro-Cognitive Development R Functions

ICCforlongformat

R Documentation

ICClong

Description

ICC wrapper for wide format data frame

Usage

ICCforlongformat(d, vars, subjectvar, visitvar, maxvisits = 2)

Arguments

`d`	long format (row per visit, possibly many rows per subject)
`vars`	which columns to return ICC values for
`subjectvar`	column uniquely identifying subject
`visitvar`	column uniquely identifying visit
`maxvisits`	cutoff for number of visits any one subject contributes

Examples

d <- data.frame(id=rep(1:6, 3), visit=rep(1:3, each=6),
                a=runif(18,0,10),
                b=runif(18,0,10))
d_ICCs <- ICCforlongformat(d, c('a','b'), "id", "visit")

LabNeuroCogDevel/LNCDR documentation built on Oct. 13, 2023, 4:31 a.m.