Table 5.

Feature vector.

Variable	PC1	PC2	PC3	PC4	PC5	PC6
Sustainable development	0.437	0.197	−0.25	−0.211	−0.497	0.645
Environmental management	0.392	0.567	−0.223	0.212	−0.213	−0.62
Carbon emission	0.408	−0.372	0.472	−0.535	−0.252	−0.349
Investment	0.347	−0.692	−0.499	0.377	−0.01	−0.102
Solar photovoltaic power	0.439	0.14	−0.187	−0.352	0.789	0.081
Wind power	0.42	0.053	0.617	0.598	0.145	0.247