Financial Performance Management System and Wireless Sharing Network Optimization of Listed Enterprises under BPNN

Table 2

Sample data of 20 real estate enterprises after dimensionless processing.

Securities codes	Return on equity	Main business cost ratio	Price-to-earnings ratio	Asset-to-liability ratio	Inventory turnover	Main business income growth rate
A	0.0798	0.0826	0.3725	0.2796	0.7201	0.2861
B	0.0315	0.3005	0	0.7951	0.1997	0.0618
C	0.1599	0.2156	0.9524	0.3015	0.3545	0.0744
D	0.0702	0.6203	0.7495	0.9418	0.2807	0.0488
E	0.2011	0.2812	0.9795	1	1	0.0296
F	0.1256	0	0.8456	0.6219	0.2958	0.0677
G	0.2219	0.7986	1	0.8408	0.0309	0.0194
⋯	⋯	⋯	⋯	⋯	⋯	⋯
O	0.2413	0.8957	0.9791	1	0.0905	0
P	0.1802	0.2961	0.9854	0	0.4085	1
Q	0.2605	0.2488	0.9886	0.9308	0.8412	0.0608
R	0.9112	1	0.9524	0.7009	0.5103	0.1662
S	0.3418	0.6709	0.9862	0.6608	0.0101	0.0715
T	0.9076	0.3711	0.9837	0.8795	0.5398	0.0158