public static double purity(Vector<Tweet> t, String label) {
double size = t.size();
double tp = 0.0;
for (Tweet tw : t) {
if (tw.getLabel().equals(label)) {
tp++;
}
}
return tp / size;
}
public static double[] tp2(Vector<Tweet> t, String label, int actual) {
double size = t.size();
double[] tp = new double[3];
for (Tweet tw : t) {
if (tw.getLabel().equals(label)) {
tp[0]++;
}
}
tp[1] = tp[0] / t.size();
tp[2] = tp[0] / actual;
return tp;
}