DB 1

The dataset used in this paper is a regression problem, and it is a function approximation example, that is, DB 1 was generated by a real-valued function [27]: f (x) = 0.2e−(10x−4)2 + 0.5e−(80x−40)2 + 0.3e−(80x−20)2, x ∈ [0, 1].