posts/Factor_analysis/survey.data

   1 #cost   quality availability    quantity        respectability  prestige        experience      popularity
   2 # 1 = not important, 7 = very important
   3 # http://web.archive.org/web/20051125011642/http://www.ncl.ac.uk/iss/statistics/docs/factoranalysis.html
   4 1       3       4       6       7       2       4       5
   5 2       3       4       3       4       6       7       6
   6 4       5       6       7       7       2       3       4
   7 3       4       5       6       7       3       5       4
   8 2       5       5       5       6       2       4       5
   9 3       4       6       7       7       4       3       5
  10 2       3       6       4       5       4       4       4
  11 1       3       4       5       6       3       3       4
  12 3       3       5       6       6       4       4       3
  13 4       4       5       6       7       4       3       4
  14 2       3       6       7       5       4       4       4
  15 2       3       5       7       6       3       3       3