type 4 inter        -1.875    0.02398
type 4 slope    +4.167e-06  3.996e-07
type 2 inter        -1.851    0.00606
type 2 slope     +3.67e-06  1.281e-07
type 1 inter        -1.902    0.01122
type 1 slope     +3.71e-06  1.566e-07