variable   1

  0.005277  0.006396
  0.006396  0.007753


variable   2

  0.093308  0.046956
  0.046956  0.028486


variable   3

  0.135933  0.010805
  0.010805  0.090772


variable   4

  0.115594 -0.034007
 -0.034007  0.104269


average discrimination

  0.350113  0.030150
  0.030150  0.231280