Hoja de preparación de datos

data casuser.ref_data; length id $ 10 text $ 100; infile datalines delimiter=','; input id $ text $; datalines; id1,this is a sample id2,another example here ; run; data casuser.hyp_data; length id $ 10 text $ 100; infile datalines delimiter=','; input id $ text $; datalines; id1,this is sample id2,an other example here ; run;