type 4 inter            +0          0
type 4 slope            +0          0
type 3 inter        +18.63      28.46
type 3 slope    +8.079e-06   3.81e-06
type 2 inter         -35.3      1.522
type 2 slope     +8.27e-07  2.059e-07
type 1 inter        -31.05     0.6866
type 1 slope    +1.407e-06  9.353e-08