Dynamic Decision Model of Real Estate Investment Portfolio Based on Wireless Network Communication and Ant Colony Algorithm

Table 3

Index values of various real estates.

Type	A; Residential development	B; Residential development	C; Industrial property	D; Industrial property	E; Office building	F; Office building	G; Leisure travel	H; Leisure travel
Average rate	7.16%	12.15%	14.44%	15.48%	8.54%	10.23%	10.39%	10.86%
Variance	0.0014	0.0033	0.0016	0.0050	0.0015	0.0031	0.0042	0.0054
Standard deviation	4.32%	5.88%	4.62%	6.88%	3.79%	5.53%	6.45%	7.21%