Hoja de preparación de datos

data casuser.cost_sim; call streaminit(123); do i = 1 to 200; log_q = rand('Normal', 2, 0.5); log_p = rand('Normal', 1, 0.2); v = rand('Normal', 0, 0.1); u = abs(rand('Normal', 0, 0.25)); log_cost = 1 + 0.7*log_q + 0.3*log_p + v + u; output; end; run;