*Copyright @ www.mycsg.in;

Create a new variable based on the values present in another variable - if then else

data output;
    set class;
    length asex $6;
    if sex="M" then asex="Male";
    else if sex="F" then asex="Female";
run;

Create two new variables based on the values present in another variable - if then do

data output;
    set class;
    length asex $6;
    if sex="M" then do;
        asex="Male";asexn=1;
    end;
    else if sex="F" then do;
        asex="Female";
        asexn=2;
    end;
run;

Create a new variable based on the values present in another variable - select when

data output;
    set class;
    length asex $6;
    select(sex);
        when ("M") asex="Male" ;
        when ("F") asex="Female";
        otherwise;
    end;
run;

Create two new variables based on the values present in another variable - select when do

data output;
    set class;
    length asex $6;
    select(sex);
        when ("M") do; asex="Male"; asexn=1; end;
        when ("F") do; asex="Female"; asexn=2; end;
        otherwise;
    end;
run;