type 4 inter        -1.719    0.02054
type 4 slope    +4.139e-06  1.199e-07
type 2 inter        -1.707   0.005505
type 2 slope    +4.122e-06  3.151e-08
type 1 inter         -1.25     0.3707
type 1 slope    +1.712e-06  2.199e-06