Hoja de preparación de datos

data pixel_data; do _id_ = 1 to 2; do _channel_ = 0 to 0; /* Grayscale */ do _y_ = 0 to 1; /* Height */ do _x_ = 0 to 1; /* Width */ _value_ = floor(rand('UNIFORM') * 255); output; end; end; end; end; run; proc casutil; load data=pixel_data outcaslib='casuser' casout='pixel_data_cas' replace; run;