simstudy (version 0.1.3)

addColumns: Add columns to existing data set

Description

Add columns to existing data set

Usage

addColumns(dtDefs, dtOld)

Arguments

dtDefs

Name of definitions for added columns

dtOld

Name of data table that is to be updated

Value

An updated data.table that contains the added simulated data

Examples

# New data set

def <- defData(varname = "xNr", dist = "nonrandom", formula=7, id = "idnum")
def <- defData(def, varname="xUni", dist="uniform", formula="10;20")

dt <- genData(10, def)

# Add columns to dt

def2 <- defDataAdd(varname="y1", formula = 10, variance = 3)
def2 <- defDataAdd(def2, varname="y2", formula = .5, dist = "binary")
def2

dt <- addColumns(def2, dt)
dt