Table 13: The comparison of RMSE obtained when using standard PSO, CPSO, and standard fuzzy model with holdout method for housing data with .

% of dataStandard PSOCooperative PSO1Holdout method
% of featureMSE% of featureMSE% of featureMSE

30904.015403.47310017.593
40803.699703.46410010.803
50803.573703.4141009.907
60803.556703.4351008.507
70803.527603.4131008.312
80803.654903.4491008.164
90803.679903.6151007.641