Landslide Susceptibility Assessment in Vietnam Using Support Vector Machines, Decision Tree, and Naïve Bayes Models

Table 2

RBF and PL kernels and their parameters.

Kernel function	Formula	Kernel parameters
RBF	𝐾(𝐱𝑖,𝐱𝑗)=exp(−𝛾‖𝐱𝑖−𝐱𝑗‖^2)	𝛾
PL	𝐾(𝐱𝑖,𝐱𝑗)=(𝛾𝐱^𝑇𝑖𝐱𝑗+1)^𝑑	𝛾,𝑑