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. 2020 Jun 27;13(13):2886. doi: 10.3390/ma13132886

Table 4.

Correlation analysis for predicted and measured Ec values obtained using the proposed equations and the general regression equation.

Equation Converting Ed into Ec MSE MAPE R
General regression 2.09 × 107 20.38% 0.6306
Popovics [9] 2.20 × 107 19.22% 0.6019
Lydon and Balendran [7] 2.43 × 107 22.94% 0.6306
BS 8110 Part 2 [8] 5.22 × 107 37.46% 0.6306