Hi ,   I want to write a nested if condition, data a; set b; If name= genny then do;    if age <= 4 then class=1;    if age <= 5 then class=2;    if age <= 6 then class=3;    end; else if name= kennedy then do;    if age <= 4 then class=1;    if age <= 5 then class=2;    if age <= 6 then class=3;    end; else run;   please suggest a correct syntax.     ... View more