Table 5.

The impacts of individual techniques on search time and the final model’s error rate on the test data

Technique	Impact of not using the technique
	Search time	Error rate
Technique 1	↑2%	–
Technique 2	↓41%	↑3.5%
Technique 3	↑1397%	–
Technique 4	↓15%	↑4%
Technique 5	↓12%	↑2%
Technique 6	–	↑1%
Technique 7	↑6%	↑1%
Technique 8	↑2%	↑2%

“–” means no change