type 4 inter        -46.23      3.111
type 4 slope    -6.176e-07  4.298e-07
type 2 inter        -67.45      1.105
type 2 slope    -3.489e-06  1.522e-07
type 1 inter        -41.16     0.4061
type 1 slope     +4.27e-08  5.662e-08