type 4 inter        -36.07     0.2935
type 4 slope    +7.929e-07  6.122e-08
type 2 inter        -37.07     0.1704
type 2 slope    +6.596e-07  3.095e-08
type 1 inter        -35.59    0.09368
type 1 slope    +9.068e-07  2.299e-08