Table 4.

Comparisons of several methods in terms of RMSE and training time on Ito's dataset

	EM	ASSOC	ASNM	LPM	APMM
Train
1st	0.4693	0.4537	0.0486	0.0084	0.0077
2nd	0.4810	0.4670	0.0486	0.0086	0.0079
3rd	0.4746	0.4617	0.0508	0.0071	0.0060
4th	0.4683	0.4545	0.0474	0.0076	0.0057
5th	0.4676	0.4540	0.0493	0.0072	0.0066
Average	0.4722	0.4582	0.0489	0.0073	0.0068
Time (seconds)	6.6622	0.0090	0.003	1.099	0.007
Test
1st	0.6624	0.6072	0.0743	0.0224	0.0189
2nd	0.4880	0.4938	0.0531	0.0104	0.0128
3rd	0.5670	0.5338	0.0591	0.0425	0.0427
4th	0.5848	0.5745	0.0641	0.0296	0.0271
5th	0.6417	0.6308	0.0753	0.0354	0.0307
Average	0.5888	0.5680	0.0652	0.0281	0.0265