Table 5. Confusion Matrix of the results obtained to classify intra-uterine growth retarded (IUGR) and appropriate for gestational age (AGA) newborns using linear discriminant analysis (LDA) applied to principal component analysis (PCA).

Conf Mat	AGA	IUGR	Total	Errors	Correct classification
AGA	18	8	26	8	69.23%
IUGR	12	8	20	12	40.00%
Total	30	16	46	20
Aritmetic Mean Accuracy	54.62%
Weighted Mean Accuracy	56.52%