[Retracted] Data-Driven Winter Landscape Design and Pleasant Factor Analysis of Elderly Friendly Parks in Severe Cold Cities in Northeast China under the Background of Artificial Intelligence

Table 1

Common kernel parameters of vector machine.

Name of kernel function	Expression	Superparameter
Linear kernel		—
Polynomial kernel		d ≥ is the degree of polynomial
Gaussian kernel		is the bandwidth of Gaussian kernel
Laplace nucleus