Hoja de preparación de datos

data mycas.hmeq_missing; set sampsio.hmeq; if rand('UNIFORM') < 0.1 then call missing(DEBTINC); if rand('UNIFORM') < 0.15 then call missing(DELINQ); if rand('UNIFORM') < 0.05 then call missing(VALUE); if rand('UNIFORM') < 0.2 then call missing(JOB); run;