SAS Certification Prep Guide, 4th Edition

Chapter Quiz

Select the best answer for each question. Check your answers using the answer key in the appendix.

1. Which of the following is not created during the compilation phase?

   1. the data set descriptor
   2. the first observation
   3. the program data vector
   4. the _N_ and _ERROR_ automatic variables
2. During the compilation phase, SAS scans each statement in the DATA step, looking for syntax errors. Which of the following is not considered a syntax error?

   1. incorrect values and formats
   2. invalid options or variable names
   3. missing or invalid punctuation
   4. missing or misspelled keywords
3. Unless otherwise directed, how does the DATA step execute?

   1. once for each compilation phase
   2. once for each DATA ...