group.center: Convenience function for calculating group-centered...

In zackfisher/robumeta: Robust Variance Meta-Regression

Description

Creates a within-study (or within-cluster) version of the covariate in question.

Usage

group.center(var, grp)

Arguments

var	The covariate to be group centered.
grp	A vector corresponding to the group identification.

Value

A column or vector containing the group.centered covariate.

Examples

# Load data
data(corrdat) 

# Create a group centered covariate 
males_c <- group.center(corrdat$males, corrdat$studyid)

zackfisher/robumeta documentation built on March 13, 2021, 7:41 a.m.