subtract 10%iles -0.000200748   0.00507283   0.00936222    0.0135736
    0.0182121    0.0240030    0.0324287    0.0476928    0.0895939
stardiff 10%iles   -0.0450956   -0.0219321   -0.0122563  -0.00561338
  0.000104336   0.00584141    0.0126065    0.0226752    0.0470924
stardiff contour -excluded 0.005   -0.0450956    0.0470924