[Retracted] An Image Processing Approach for Detection of Prenatal Heart Disease

Table 2

Accuracy rate of naïve Bayes classifier using various features and dataset.

Preprocessing	Instance classified in correct format	Instance classified in incorrect format	Time (secs)	Recall	Precision	-measure
Feature extraction without preprocessing	2711	86	9.6	0.97	0.97	0,95
Feature extraction–gain ratio with preprocessing	2535	121	0.15	0.96	0.95	0.94
Feature extraction-chi-square with preprocessing	2610	84	0.2	0.98	0.96	0.98