subtract 10%iles -0.000394583   0.00465894   0.00882626    0.0129805
    0.0176077    0.0234318    0.0319319    0.0473278    0.0908031
stardiff 10%iles   -0.0461789   -0.0217380   -0.0117783  -0.00506224
  0.000666253   0.00640345    0.0131698    0.0233243    0.0486278
stardiff contour -excluded 0.005   -0.0461789    0.0486278