subtract 10%iles  -0.00153351   0.00509214    0.0107708    0.0167806
    0.0238571    0.0331864    0.0473094    0.0734468     0.144497
stardiff 10%iles   -0.0840298   -0.0358231   -0.0182793  -0.00760038
   0.00103520   0.00974337    0.0206969    0.0389870    0.0888779
stardiff contour -excluded 0.005   -0.0840298    0.0888779