Impact of Parameter Tuning with Genetic Algorithm, Particle Swarm Optimization, and Bat Algorithm on Accuracy of the SVM Model in Landslide Susceptibility Evaluation

Table 2

Lithology.

Petrofabric	Geologic time scale	Lithology
Q	Quaternary	Sand, gravel, silty clay, and loess
K	Cretaceous	Mudstone, sandstone, and conglomerate
J	Jurassic	Mudstone, sandstone, and marl
T-J	Late triassic to early jurassic	Mudstone, sandstone, shale, and marl
P	Permian	Limestone, dolomite, and basalt
C	Carboniferous	Limestone and dolomite
D	Devonian	Limestone, dolomite, and quartz sandstone
O	Ordovician	Sandstone, shale, limestone, and dolomite
Є	Cambrian	Dolomite, sandstone, and shale
Z	Sinian	Dolomite
Pt	Proterozoic	Slate, sandstone, dolomite, and limestone