Roxanne noted, "Enter a Last Date of Attendance for any students receiving a grade of “F” or “W”".
Here are two Faculty Wiki guides that will assist you in determining the last date of attendance (LDA).
For students who never signed in to your course, their LDA is the first day of the term.
Spring 1 (15-week) began January 21, 2008.
Spring 2 (10-week) began February 25, 2008
:) Lisa Marie