Table 4: Performance of individual and hybrid models based on EF metric.

Dataset
AlbrechtMiyazakiMaxwellCOCOMODesharnais

SVRIndividual0.2430.2740.3260.0100.445
PCA0.4180.5030.4780.0810.258
PCA-GA0.0001.3070.5380.0700.062

MLPIndividual0.6100.2990.3300.0920.252
PCA0.3000.4990.2340.2750.227
PCA-GA0.2450.1540.1930.0170.070

ANFISIndividual0.2510.5380.0870.0430.187
PCA0.1391.3050.1100.0500.000
PCA-GA0.0000.2030.0590.0070.000