An enhanced random forest approach using CoClust clustering: MIMIC-III and SMS spam collection application

Journal of Big Data

Table 34 CPU time comparison of CoClust and Random Forest applications

	n_tree	Traditional RF	The Proposed RF	% of improvement
MIMIC-III	100	27.67 secs	4.01 secs	85.51
	200	51.81 secs	6.79 secs	86.89
	500	2.08 min	16.00 secs	87.18
	1000	4.14 min	30.45 secs	87.74
	2000	8.52 min	1.02 min	88.03
	5000	23.94 min	2.52 min	89.47
	10,000	49.57 min	5.07 min	89.77
SMS Spam Collection	100	53.9 secs	1.36 secs	97.48
	200	1.49 min	1.836 secs	97.95
	500	3.99 min	3.17 secs	98.68
	1000	7.77 min	5.16 secs	98.89
	2000	15.34 min	8.48 secs	99.08
	5000	39.92 min	20.55 secs	99.14
	10,000	1.38 h	40.17 secs	99.19