subtract 10%iles  -0.00126266   0.00725889    0.0149641    0.0236206
    0.0345802    0.0497837    0.0730286     0.114687     0.221379
stardiff 10%iles    -0.137990   -0.0581502   -0.0283755   -0.0117279
  0.000775009    0.0134012    0.0305053    0.0608832     0.141111
stardiff contour -excluded 0.005    -0.137990     0.141111