type 4 inter        -36.54     0.2106
type 4 slope    +7.609e-07  6.044e-08
type 2 inter        -37.57     0.1094
type 2 slope    +5.587e-07  3.061e-08
type 1 inter        -35.89    0.04518
type 1 slope    +8.094e-07  1.582e-08