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

Table 3

Performance Measure of Classification algorithm on the hypothyroid dataset.

Accuracy measurement	ANN		Naive 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)
Run time	42.18 sec	9.28 sec	0.07 sec	0.01 sec	0.13 sec	0.04 sec
Correctly classified instances (%)	94.16	96.16	94.80	95.89	99.57	98.99
Incorrectly classified instances (%)	5.83	3.075	5.19	4,74	0.43	1.01
Kappa statistic (%)	0.5519	0.7630	0.543	0.624	0.9707	0.9532
Mean absolute error (%)	0.1522	0.017	0.033	0.026	0.003	0.004
F-measure (%)	0.971	0.986	0.975	0.989	0.998	0.998