FACTOR
  /VARIABLES x1 x2 x3 x4 x5 x6  /MISSING LISTWISE /ANALYSIS x1 x2 x3 x4 x5 x6
  /PRINT INITIAL CORRELATION KMO EXTRACTION ROTATION
  /CRITERIA FACTORS(3) ITERATE(25)
  /EXTRACTION PC
  /CRITERIA ITERATE(25)
  /ROTATION VARIMAX
  /METHOD=CORRELATION .
