function [acc hit fa] = getHITFA(gnd, predlb)

gnd(gnd == 0 ) = -1; predlb(predlb == 0) = -1;

acc = mean(gnd == predlb);

hit = sum(predlb==1 & gnd == 1) / sum(gnd == 1);
fa =-1* sum(predlb ==-1 & gnd == -1) / sum(gnd == -1);