Big Data Privacy Preservation Using Principal Component Analysis and Random Projection in Healthcare

Table 2

Performance Measure of Classification algorithm on the cardiovascular dataset.

Accuracy measurement	ANN		Naïve-bayes		J48
	Classification approach (original dataset)	Classification approach (perturbed dataset)	Classification approach (original dataset)	Classification approach (perturbed dataset)	Classification approach (original dataset)	Classification approach (perturbed dataset)
Time taken to build (SEC)	113.43	88.3	0.25	0.24	15.39	10.8
Correctly classified instances (%)	63.71	68.83	58.85	59.68	72.99	73.01
Incorrectly classified instances (%)	36.28	31.16	41.14	40.31	27.01	26.89
Kappa statistic	0.2744	0.3767	0.1768	0.1936	0.4581	0.4599
Mean absolute error	0.4357	0.3943	0.4221	0.4193	0.3616	0.3701
F-measure	0.631	0.6880	0.6860	0.6890	0.7290	0.7360