subtract 10%iles  -0.00109816   0.00498962    0.0101545    0.0155292
    0.0217772    0.0299532    0.0422978    0.0652897     0.129692
stardiff 10%iles   -0.0708750   -0.0308707   -0.0161485  -0.00694307
  0.000604959   0.00814499    0.0173601    0.0321439    0.0723308
stardiff contour -excluded 0.005   -0.0708750    0.0723307