If this is what you mean, one method for handling the
missign data (described in the Cohen & Cohen book on
regression analysis) is to create a flag for valid/missing
data, and include the flag as well as the question itself.
Dave Howell has a nice discussion of this approach on his
website (watch out for wrap-around of the URL):
val lab q4 q5
8 '8- N/A'
9 '9- Missing'.
miss val q4 q5 (8 9).
Hope this helps.
I've set up my system to turn my stereo on each weekday.
I'd like to exclude certain days (such as ML King Day,
Memorial Day, etc.).
Is there any easy way to do this? It seems they ought to
have set up the software to pop up a calendar, then let
people click the days they want, but it doesn't work that