I am trying to do the practice for the exam. However, I am failed at the start point. The log shows that I create the libref successfully , but I have nothing in my cert library folder. Can anyone help me with that? Than you so much. libname cert "/home/u46613960/cert/input"; libname results "/home/u46613960/cert/output"; data results.output04; set cert.input04; run;
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