subtract 10%iles -0.000812054    0.0246999    0.0495713    0.0771165
     0.109671     0.150686     0.206677     0.293062     0.471237
stardiff 10%iles    -0.260319    -0.131633   -0.0711536   -0.0307769
   0.00223450    0.0352468    0.0755235     0.135739     0.263252
stardiff contour -excluded 0.005    -0.260319     0.263252