Table 3.

The optimal algorithm determined by using various indices for different types of datasets.

Index	Data	Best algorithm
NRMSE	Time series	ILLS
	Non-time series	LS
	Mixed type	LS
	All Data	LS
CPP	Time series	ILLS, LLS
	Non-time series	SKNN
	Mixed type	LS
	All data	ILLS
BLCI	Time series	SLLS
	Non-time series	SKNN
	Mixed type	ILLS
	All data	SLLS
Average index	Time series	SLLS
	Non-time series	LS
	Mixed type	ILLS
	All data	ILLS