A Compound Structure for Wind Speed Forecasting Using MKLSSVM with Feature Selection and Parameter Optimization

Table 1

Statistical description of empirical wind speed (m/s).

data set	NO.	Max	Min	Mean	St.dev.	Median
Data set A
All samples	576	14.59	1.22	7.80	2.79	7.91
Training data	480	14.59	1.22	8.16	2.68	7.91
Testing data	96	10.68	1.32	6.01	2.64	6.01
Data set B
All samples	576	12.44	0.94	5.48	2.46	6.69
Training data	480	12.44	0.94	5.58	2.46	6.69
Testing data	96	9.91	1.34	4.99	2.38	5.62
Data set C
All samples	576	15.34	0.87	8.47	3.08	8.10
Training data	480	15.34	0.87	8.56	3.28	8.10
Testing data	96	11.57	4.08	7.99	1.69	7.82
Data set D
All samples	576	12.87	0.41	5.55	2.40	6.64
Training data	480	12.87	0.41	5.42	2.52	6.64
Testing data	96	9.91	2.57	6.17	1.56	6.25