Hoja de preparación de datos

data casuser.copula_sim; call streaminit(12345); do i = 1 to 5000; u_corp = rand('UNIFORM'); u_retail = rand('UNIFORM'); output; end; run; data casuser.marg_corp; call streaminit(12345); do i = 1 to 5000; _DRAWID_=1; _AGGSEV_ = rand('LOGNORMAL', 5, 1); output; end; run; data casuser.marg_retail; call streaminit(67890); do i = 1 to 5000; _DRAWID_=1; _AGGSEV_ = rand('GAMMA', 3); output; end; run;