The object and reference beams were recombined at the sample at an angle of 16.0 degrees to the Polymers 2017, 9, 298 6 of 12 beam was split into two secondary beams with an intensity ratio of 1:1. The diameter of these beams Pwolaysmienrsc2r0e1a7s,e9d, 2t9o8 1 cm by means of...
Parametric Part Estimate t Value p-Value β0 Non-Parametric Part −2.735 EDF 1 −160.17 F Value <0.001 p-Value f1(km) f2(d) GCV 2 4.30 1.95 0.38412 55.61 81.53 <0.001 <0.001 1 Effective degrees of freedom; 2 Generalized cross validation. The concept of degrees of freedom, which is...