Table 2
Average imputation runtime on four datasets (seconds)

Data set	Sample size	Density	Version	AB	LB	TB
G1	100	5 K	NA90	2930	3055	6975
G2	100	10 K	NA90	6511	6788	13956
G3	500	5 K	NA90	3460	3665	10221
G4	500	10 K	NA90	7601	7802	23521