Right, so what we're going to do is create a dummy variable to test that hypothesis, right, so if you press the escape key, right, and work your way back towards erm the data processing sort of environment, so go back to the post regression menu through the backtracking menu erm, when you're in the backtracking menu, go to option six, which is the process plot edit option  right, now press the return key in the data processing menu, right, and that will get you to the data processing environment when we can start messing about with our variables.