The Effectiveness of Feature Selection Method in Solar Power Prediction

Table 9

Paired samples test.

	Paired differences					𝑡	df	Sig. (2-tailed)
	Mean	Std. deviation	Std. error mean	95% confidence interval of the difference
				Lower	Upper
Pair 1
Actual data - LMS  prediction	−73.37	78.62	32.09	−155.88	9.14	−2.28	5	0.071
Pair 2
Actual data - MLP  prediction	54.39	93.47	38.16	−43.69	152.48	1.43	5	0.213
Pair 3
Actual data - SVM  prediction with  RBF kernel	135.04	62.63	25.57	69.31	200.76	5.28	5	0.003
Pair 4
Actual data - SVM  prediction with  poly kernel	122.11	49.95	20.39	69.69	174.53	5.99	5	0.002