subtract 10%iles -0.000597000   0.00651550    0.0126629    0.0190859
    0.0265288    0.0361681    0.0504379    0.0760710     0.142663
stardiff 10%iles   -0.0846728   -0.0377450   -0.0198322  -0.00863366
  0.000511484   0.00965153    0.0208514    0.0388721    0.0862506
stardiff contour -excluded 0.005   -0.0846728    0.0862505