Model | Dependent variable | Factors used as the candidates to check by stepwise method | Factors chosen by stepwise method | AIC |
1 | ln (RPS) | AO, PDO | A2, A3, A4, A7, P3, P4, P9, P10 | −45.1 |
2 | ln (RPS) | AO, PDO, Rsardine (ref), SSBsardine (ref) | A2, A3, A4, A6, A7, P4, P9, P10, Rsardine (ref) | −63.75 |
3 | ln (RPS) | AO, PDO, Rsardine, SSBsardine | A2, A3, A4, A6, A7, P4, P9, P10, Rsardine | −68.00 |
4 | ln (RPS) | AO, PDO, SSBbluefin | A1, A3, A6, P3, P4, P6, P7, P9, P10, SSBbluefin | −92.45 |
5 | ln (RPS) | AO, PDO, Rsardine, SSBsardine, SSBbluefin | A1, A2, A6, P4, P6, P7, P9, P10, Rsardine, SSBbluefin | −93.03 |
6 | ln (RPS) | AO, PDO, R of sardine, SSBsardine, Rbluefin | A2, A3, A4, A7, A9, P5, P9, Rsardine, Rbluefin | −116.38 |
7 | ln (RPS) | AO, PDO, Rsardine, SSBsardine, SSBbluefin, Rbluefin | A3, A8, Rbluefin, SSBbluefin | −2364.98 |
8 | ln (R) | AO, PDO, Rsardine, SSBsardine, SSBbluefin | A2, A3, A6, P4, P6, P7, P9, P10, Rsardine | −93.96 |
9 | ln (R) | AO, PDO | A1, A3, A6, P3, P4, P6, P9, P10 | −94.44 |