Will we be required to use R on the DEDP proctored exams? April 16, 2026 19:11 Updated No, there will be no R programming required for the proctored exams. Related articles What are we allowed to use during a DEDP proctored exam? What is not allowed? Can I retake a DEDP proctored exam during the same testing window? How often will the DEDP courses and proctored exams be offered? Where can I find a schedule for all upcoming course sessions and proctored exams?