Hoja de preparación de datos

data myintervals; format begin end date9.; begin = '01JAN2023'd; end = '31JAN2023'd; season = 1; output; begin = '01FEB2023'd; end = '28FEB2023'd; season = 2; output; begin = '01MAR2023'd; end = '31MAR2023'd; season = 3; output; run; proc casutil; load data=myintervals outcaslib="casuser" casout="myintervals" promote; run;