Hoja de preparación de datos

data long_data; length time $10; do id = 1 to 3; do time = 'Q1', 'Q2', 'Q3', 'Q4'; value = (id * 100) + int(rand('UNIFORM') * 50); output; end; end; run; proc casutil; load data=long_data outcaslib="casuser" casout="long_data" replace; run;