Table 2.

Mean rank and statistical significance from post hoc Nemenyi test. For each season-state combination, the model forms are ranked from best (rank=1) to worst (rank=4).

Model	CORa				RMSEb				MAPEc
	Mean rank	GFTd	RRO	RRR	Mean rank	GFT	RRO	RRR	Mean rank	GFT	RRO	RRR
GFT	1.91				2.33				2.45
RR0	3.07	<.001			2.75	<.001			2.24	.17
RRR	2.38	<.001	<.001		2.41	.89	.01		2.43	.99	.25
RRS	2.63	<.001	<.001	.1	2.51	.35	.09	.79	2.87	<.001	<.001	<.001

^aCOR: Pearson correlation coefficient.

^bRMSE: root mean square error.

^cMAPE: mean absolute percentage error.

^dGFT: Google Flu Trends.