subtract 10%iles -0.000879765   0.00599003    0.0118656    0.0179696
    0.0250239    0.0341578    0.0477705    0.0726833     0.140273
stardiff 10%iles   -0.0828042   -0.0365925   -0.0194298  -0.00872762
 -7.25128e-06   0.00867206    0.0192356    0.0361468    0.0812292
stardiff contour -excluded 0.005   -0.0828042    0.0812291