DEFINE PERSONA.AEST AS SWITCH INCASE (PERSONA.NIVEL=1 OR PERSONA.NIVEL=2 OR PERSONA.NIVEL=3) ASSIGN 0 INCASE PERSONA.ANESTUDIO>0 ASSIGN PERSONA.ANESTUDIO ELSE 50 TYPE INTEGER RANGE 0 - 22 VARLABEL "ANOS DE ESTUDIO" TABLE AJ AS AVERAGE OF PERSONA.AEST BY PERSONA.HABCIUD BY PERSONA.ANTCIUD FILTER PERSONA.P01 =1