type 3 inter        -13.96      2.592
type 3 slope    +2.586e-06  1.204e-06
type 2 inter        -37.41      12.47
type 2 slope     -7.82e-06  5.821e-06
type 1 inter        -15.02         12
type 1 slope    +2.545e-06  5.599e-06