1. when i use the SAS ondemand for academics online SAS studio, i put my data under the common fold, however, cannot open the sas file , why? 2. and, when i created a lib containing the data provided in this book: Text Mining and Analysis: Practical Methods, Analysis and Case Studies Using SAS in its case 3 study. But it turned out that the lib data set is empty after i uploaded the data and create a lib pointing to the directory Then i found a answer in common questions as below: Since i'm just a starter, i dont quite understand what this exactly mean, it mean that i can not work with available sas libs or i can create 3rd party libs through assigning libname statements?
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