Multiple choice technology programming languages What are the 2 duplicates removal options for proc sort? NODUPKEY and NODUPRECS NODUPS and NODUPLICATES NODUPKEYS and NODUPREC DELETEDUPS and DELETERECS Reveal answer Fill a bubble to check yourself A Correct answer Explanation PROC SORT offers two duplicate removal options: NODUPKEY removes observations with duplicate BY variable values, while NODUPRECS removes completely identical observations (all variables match).