type 4 inter        -19.79     0.8032
type 4 slope    -2.762e-06  4.147e-07
type 2 inter        -21.89     0.4074
type 2 slope    -3.596e-06  2.097e-07
type 1 inter        -14.31     0.1546
type 1 slope    -1.396e-07  8.626e-08