type 4 inter        -39.85     0.4006
type 4 slope     +2.15e-07  8.508e-08
type 2 inter        -37.65     0.1707
type 2 slope    +5.773e-07  3.131e-08
type 1 inter        -35.75    0.08262
type 1 slope    +8.863e-07  1.964e-08