Research on Prediction Method of Reasonable Cost Level of Transmission Line Project Based on PCA-LSSVM-KDE

Table 1

Influencing indexes of transmission line project cost.

Index type	Influencing indexes	Number
Natural indexes	Topography	X1
	Geology	X2
	The thickness of ice and wind speed	X3
Technical indexes	Conductor consumption	X4
	Tension ratio	X5
	Number of towers	X6
	Tower material consumption	X7
	Foundation earthwork consumption	X8
	Foundation concrete consumption	X9
	Foundation steel consumption	X10
Economic indexes	Price of conductor	X11
	Price of tower material	X12
	Price of foundation steel	X13