Dear
Excuse
The fault is mine for not knowing how to explain myself well.
A) I have built the variables (0/1) with the count procedure
Popular classes ((0/1)
Middle classes (0/1)
Upper classes (0/1)
B) I HAVE RECODED IN THE SAME VARIABLES
Popular classes (1)
Middle classes (1)
Upper classes (1)
C) I WANT TO CATEGORIZE THE VARIABLES UNDER THE SAME VARIABLE
Variable (socioeconomic position):
Category 1 Popular Classes (1)
Category 2 Middle classes (1)
Category 3 Upper classes (1)