subtract 10%iles  -0.00175810   0.00906467    0.0191631    0.0307684
    0.0454154    0.0651932    0.0939865     0.141720     0.248363
diff 10%iles    -0.129526   -0.0601859   -0.0307994   -0.0131569  0.000566006
    0.0142269    0.0317421    0.0609360     0.129582
stardiff 10%iles   -0.0341002   -0.0170333  -0.00861944  -0.00244619
   0.00293771   0.00825074    0.0142124    0.0223142    0.0383620
stardiff contour -excluded 0.005   -0.0341002    0.0383620