An Improved Elman Network for Stock Price Prediction Service

Table 2

Relative error of test (Shenzhen composite index).

Number	1	2	3	4	5	6	7
Relative error	−0.013747	0.002825	−0.017177	0.004370	0.030084	−0.001853	−0.047231
Number	8	9	10	11	12	13	14
Relative error	0.017591	−0.017927	0.007011	0.010986	0.026179	−0.044038	0.035607
Number	15	16	17	18	19	20	21
Relative error	0.061603	−0.043408	0.047926	0.008911	0.028250	−0.016142	0.039523
Number	22	23	24	25	26	27	28
Relative error	−0.012140	−0.021609	0.001765	−0.010977	0.036256	−0.005063	0.006179
Number	29	30	31	32	33	34	35
Relative error	0.003674	−0.022697	−0.014897	−0.002466	−0.006432	0.001260	0.023451
Number	36	37	38	39	40	41	42
Relative error	−0.009376	−0.016781	0.009971	−0.019686	0.001902	−0.002325	0.014443
Number	43	44	45	46	47	48	49
Relative error	−0.024677	0.009285	0.008341	−0.003239	−0.000341	−0.010959	−0.005216
Number	50	51	52	53	54	55	56
Relative error	−0.026052	−0.000483	−0.012797	0.007071