Description
splits a variable into two groups
Usage
dich(variables,data=NULL,cut=NULL,group1=NULL,group2=NULL)
Value
a data.frame containing the variables, recoded into two groups.
Arguments
- variables
variables to be dichotomized
- data
A data.frame
- cut
An optional cut point dividing factor
into two groups.
- group1
An optional vector of levels of factor
defining group 1.
- group2
An optional vector of levels of factor
defining group 2.