Prediction of Currency Volume Issued in Taiwan Using a Hybrid Artificial Neural Network and Multiple Regression Approach

Table 5

Pearson correlations for pairs of variables.

	𝑋1	𝑋2	𝑋3	𝑋4	𝑋5	𝑋6	𝑋7	𝑋8	𝑋9	𝑋10	𝑋11	𝑋12	𝑋13	𝑋14	𝑋15	𝑋16	𝑋17	𝑋18	𝑋19	𝑋20	𝑌
𝑋1	1.00
𝑋2	0.69	1.00
𝑋3	−0.27	−0.16	1.00
𝑋4	0.33	0.11	0.17	1.00
𝑋5	−0.46	−0.12	0.41	−0.17	1.00
𝑋6	0.30	0.10	0.05	0.83	−0.18	1.00
𝑋7	0.19	−0.13	0.01	0.00	−0.43	0.06	1.00
𝑋8	−0.12	0.04	−0.38	−0.66	0.07	−0.79	−0.08	1.00
𝑋9	−0.06	−0.06	−0.53	−0.61	−0.27	−0.76	0.08	0.85	1.00
𝑋10	0.19	0.06	0.38	0.80	−0.01	0.92	0.04	−0.91	−0.92	1.00
𝑋11	0.29	0.12	−0.56	−0.43	−0.43	−0.54	0.28	0.73	0.88	−0.75	1.00
𝑋12	0.29	0.12	−0.56	−0.43	−0.43	−0.54	0.28	0.73	0.88	−0.75	1.00	1.00
𝑋13	0.20	0.10	−0.58	−0.50	−0.32	−0.65	0.18	0.82	0.93	−0.85	0.97	0.97	1.00
𝑋14	0.20	0.07	−0.59	−0.49	−0.40	−0.63	0.21	0.78	0.94	−0.83	0.98	0.98	0.99	1.00
𝑋15	0.20	0.13	−0.56	−0.53	−0.31	−0.67	0.14	0.83	0.93	−0.86	0.95	0.95	0.98	0.98	1.00
𝑋16	0.20	0.11	−0.58	−0.50	−0.33	−0.64	0.15	0.81	0.93	−0.84	0.96	0.96	0.99	0.98	1.00	1.00
𝑋17	0.15	0.07	0.37	0.76	0.13	0.90	−0.04	−0.84	−0.93	0.98	−0.76	−0.76	−0.86	−0.86	−0.87	−0.86	1.00
𝑋18	0.07	0.02	0.52	0.70	0.16	0.83	0.01	−0.88	−0.96	0.97	−0.81	−0.81	−0.90	−0.90	−0.91	−0.90	0.98	1.00
𝑋19	−0.38	−0.13	0.36	0.36	0.50	0.48	−0.38	−0.54	−0.76	0.62	−0.90	−0.90	−0.86	−0.87	−0.84	−0.85	0.68	0.69	1.00
𝑋20	−0.03	−0.19	−0.12	−0.14	−0.02	−0.02	0.16	−0.04	0.00	−0.02	0.01	0.01	0.00	0.01	0.02	0.03	−0.02	−0.02	−0.04	1.00
𝑌	0.27	0.08	0.21	0.75	−0.10	0.90	0.09	−0.81	−0.80	0.91	−0.59	−0.59	−0.69	−0.67	−0.71	−0.68	0.89	0.86	0.46	0.23	1.00