subtract 10%iles -0.000318050   0.00604630    0.0113854    0.0167964
    0.0229721    0.0309629    0.0429220    0.0649862     0.127241
stardiff 10%iles   -0.0623659   -0.0285056   -0.0153739  -0.00677165
  0.000464678   0.00774189    0.0164852    0.0300865    0.0655911
stardiff contour -excluded 0.005   -0.0623659    0.0655911