crowd_model.py 文件源码

def eval_pdf(self, worker, var, x, list_il):
        """
        Eval *LOG* of pdf of new qu or qv
        """
        if var == 'sen':
            res = expectation_binorm('v', self.quv[worker][2], self.quv[worker][3], \
                x, self.get_mu(worker), self.get_c(worker))
            #print res
            for (item, label) in list_il:
                item_w = self.get_item_w(item)
                res += item_w * self.qz[item] * np.log( self.Ber(S(x), label))
        else:
            res = expectation_binorm('u', self.quv[worker][0], self.quv[worker][1], \
                x, self.get_mu(worker), self.get_c(worker))
            for (item, label) in list_il:
                item_w = self.get_item_w(item)
                res += item_w * (1 - self.qz[item]) * np.log( self.Ber(S(x), label))

        return res