subtract 10%iles   0.00900364    0.0425272    0.0767021     0.115416
     0.163585     0.224305     0.311521     0.462652     0.830620
stardiff 10%iles    -0.267893    -0.136832   -0.0761202   -0.0360877
  -0.00356663    0.0288862    0.0707736     0.137059     0.280398
stardiff contour -excluded 0.005    -0.267893     0.280398