type 4 inter        -39.82     0.8241
type 4 slope    +2.279e-07  1.152e-07
type 2 inter        -38.46     0.5485
type 2 slope     +4.27e-07   7.62e-08
type 1 inter        -35.41     0.1694
type 1 slope    +8.382e-07  2.372e-08