Approaches

Developed models

SR

y ˜ SR = 1.8487 − 0.0062 x 1 − 0.0557 x 2 + 0.5399 x 3 − 0.0385 x 4

TH

y ˜ TH = ( 1.9286 × 10 − 8 , − 0.0417,1.0065,6.5089 × 10 − 9 )     + ( 2.0434 × 10 − 8 , − 0.0254,1.0415,2.1557 × 10 − 8 ) x 1     + ( 1.8247 × 10 − 8 , − 0.1749,0.8416,9.7891 × 10 − 9 ) x 2     + ( 1.9099 × 10 − 8 ,0.0139,0.9926,6.8315 × 10 − 9 ) x 3     + ( 2.4991 × 10 − 8 ,0.3568,0.6446,4.3585 × 10 − 8 ) x 4

DM

y ˜ DM = ( 0.0044 , 1.8221 , 2.3881 , 0.0083 )     + ( 1.3791 × 10 − 5 , 0.0063 , 0.0068 , 1.0424 × 10 − 5 ) x 1     + ( 0.0010 , 0.0064 , 0.0069 , 0.0006 ) x 2     + ( 1.9002 × 10 − 6 , − 0.420391 , − 0.420390 , 1.9229 × 10 − 6 ) x 3     + ( 0.0016 , − 0.0632 , − 0.0148 , 0.0012 ) x 4

KC2

y ˜ KC = 0.6673 − 0.1242 x 1 + 0.1517 x 2 + 0.8083 x 3 + 0.5304 x 4     + ( 0.2784,0.2852,0.9872,0.9972 )

JL

y ˜ JL = ( 0.00016 , 0.9514 , 0.9537 , 0.0016 )     + ( 3.4895 × 10 − 6 , − 0.0474 , − 0.0471 , 3.4895 × 10 − 6 ) x 1     + ( 0.0001 , 0.5746 , 0.5760 , 0.0001 ) x 2     + ( 0.0001 , 0.2136 , 0.2155 , 0.0001 ) x 3     + ( 0.0004 , 0.7414 , 0.7454 , 0.0001 ) x 4

RNP

y ˜ RNP = ( 0.3066 , 1.6750 , 2.1384 , 1.0213 )     + ( 6.8889 × 10 − 10 , − 0.007399967 , − 0.007399966 , 6.8890 × 10 − 10 ) x 1     + ( 0.0106 , − 0.1169 , − 0.1067 , 0.0106 ) x 2     + ( 2.7728 × 10 − 7 , 0.3528503 , 0.3528505 , 2.6929 × 10 − 7 ) x 3     + ( 6.6698 × 10 − 8 , − 0.30650488 , − 0.30650481 , 6.7342 × 10 − 8 ) x 4

RAP

y ˜ RAP = ( 4.0794 × 10 − 7 , 1.2521 , 1.9009 , 2.0041 )     + ( 9.8956 × 10 − 9 , − 0.01046018 , − 0.01046014 , 3.4631 × 10 − 8 ) x 1     + ( 3.1431 × 10 − 7 , 0.0188 , 0.1190 , 0.1158 ) x 2     + ( 3.5577 × 10 − 7 , 0.2115 , 0.2508 , 0.0335 ) x 3     + ( 1.1538 × 10 − 6 , − 0.76236 , − 0.76235 , 2.4335 × 10 − 6 ) x 4