Application of Radial Basis Function Neural Network Coupling Particle Swarm Optimization Algorithm to Classification of Saudi Arabia Stock Returns

Table 1

Descriptive statistics of the dataset in Saudi stock market.

	N	Mean	Std. deviation	Minimum	Maximum
Closed stock prices	2026	7736.387	1156.632	5416.470	11149.360
Inflation	2026	0.016	0.020	−0.032	0.053
Repo rate	2026	0.696	0.280	0.127	4.549
Oil price (Loil)	2026	4.299	0.354	3.328	4.838