sdcMicro (version 4.1.0)

groupVars: Join levels of a keyVariable in an object of class 'sdcMicroObj'

Description

Transforms the factor variable into a factors with less levels and recomputes risk.

Usage

groupVars(obj, var, before, after)

Arguments

obj

object of class 'sdcMicroObj

var

name of the keyVariable to change

before

vector of levels before

after

vector of levels after

Value

• the modified sdcMicroObj

Examples

## for objects of class sdcMicro:
data(testdata2)
sdc <- createSdcObj(testdata2,
  keyVars=c('urbrur','roof','walls','water','electcon','relat','sex'), 
  numVars=c('expend','income','savings'), w='sampling_weight')
sdc <- groupVars(sdc, var="urbrur", before=c(1,2), after=1)