Table 4. A comparison of results obtained using three feature selection techniques.

Method	RBF SVM	Linear SVM	Naive Bayes
SVM weights	73.3%	73.3%	83.3%
Leave-one-para-out	73.3%	76.7%	86.7%
PCA weights	63.3%	60.0%	56.7%
average	70.0%	70.0%	75.6%