347157.fig.0012a
(a)
347157.fig.0012b
(b)
347157.fig.0012c
(c)
347157.fig.0012d
(d)
Figure 12: Comparison of sets of features being selected by using PSO and CPSO2 for Housing data dataset: (a) PSO method with 30% of selected data, (b) CPSO2 method with 30% of selected data, (c) PSO method with 70% of selected data, and (d) CPSO2 method with 70% of selected data.