subtract 10%iles -4.29153e-06   0.00534630   0.00981903    0.0142975
    0.0193596    0.0258827    0.0356512    0.0537479     0.104722
stardiff 10%iles   -0.0487980   -0.0227549   -0.0123638  -0.00542438
  0.000480992   0.00640748    0.0134685    0.0242902    0.0520867
stardiff contour -excluded 0.005   -0.0487980    0.0520866