mergeData {simstudy}

Merge two data tables

Description

Merge two data tables

Usage

mergeData(dt1, dt2, idvars)

Arguments

dt1

Name of first data.table

dt2

Name of second data.table

idvars

Vector of string names to merge on

Value

A new data table that merges dt2 with dt1

Examples

def1 <- defData(varname = "x", formula = 0, variance = 1)
def1 <- defData(varname = "xcat", formula = ".3;.2", dist = "categorical")

def2 <- defData(varname = "yBin", formula = 0.5, dist = "binary", id = "xcat")
def2 <- defData(def2, varname = "yNorm", formula = 5, variance = 2)

dt1 <- genData(20, def1)
dt2 <- genData(3, def2)

dtMerge <- mergeData(dt1, dt2, "xcat")
dtMerge