type 4 inter        -14.97     0.8456
type 4 slope    -2.091e-07  4.238e-07
type 2 inter        -20.43     0.2981
type 2 slope    -2.704e-06  1.472e-07
type 1 inter         -14.2     0.1023
type 1 slope    -2.335e-08  5.415e-08