type 4 inter         -40.5     0.5397
type 4 slope    +2.766e-08  1.122e-07
type 2 inter        -34.05     0.6722
type 2 slope    +1.099e-06  1.217e-07
type 1 inter        -33.15     0.3022
type 1 slope    +1.133e-06  7.552e-08