type 4 inter            -1      5.593
type 4 slope      -8.4e-06  4.698e-05
type 2 inter        -1.667    0.03138
type 2 slope    +4.075e-06  2.208e-07
type 1 inter        -1.644     0.0401
type 1 slope    +3.406e-06  2.565e-07