Description
splits a variable into two groups
Usage
dich(variables,data=NULL,cut=NULL,group1=NULL,group2=NULL)
Arguments
variables
variables to be dichotomized
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.
Value
a data.frame containing the variables, recoded into two groups.