subtract 10%iles -0.000570297   0.00588989    0.0113840    0.0169773
    0.0233173    0.0314450    0.0435443    0.0659046     0.128207
stardiff 10%iles   -0.0639690   -0.0296024   -0.0160968  -0.00706606
  0.000554096   0.00807908    0.0168294    0.0299368    0.0632833
stardiff contour -excluded 0.005   -0.0639690    0.0632833