Ejemplo n.º 1
0
    def test5_validation(self, ndcg=0.06, map=0.04):
        set_log_level(3)
        opt = CFROption().get_default_option()
        opt.validation = aux.Option({'topk': 10})
        opt.tensorboard = aux.Option({'root': './tb', 'name': 'cfr'})
        data_opt = StreamOptions().get_default_option()
        data_opt.data.validation.name = "sample"
        data_opt.data.sppmi = {"windows": 5, "k": 10}
        data_opt.data.internal_data_type = "matrix"
        data_opt.input.main = self.ml_100k + 'stream'
        data_opt.input.uid = self.ml_100k + 'uid'
        data_opt.input.iid = self.ml_100k + 'iid'
        data_opt.data.value_prepro = aux.Option({'name': 'OneBased'})

        c = CFR(opt, data_opt=data_opt)
        c.initialize()
        c.train()
        results = c.get_validation_results()
        self.assertTrue(results['ndcg'] > ndcg)
        self.assertTrue(results['map'] > map)
Ejemplo n.º 2
0
    def test6_topk(self):
        set_log_level(1)
        opt = CFROption().get_default_option()
        opt.validation = aux.Option({'topk': 10})
        data_opt = StreamOptions().get_default_option()
        data_opt.data.validation.name = "sample"
        data_opt.data.sppmi = {"windows": 5, "k": 10}
        data_opt.data.internal_data_type = "matrix"
        data_opt.input.main = self.ml_100k + 'stream'
        data_opt.input.uid = self.ml_100k + 'uid'
        data_opt.input.iid = self.ml_100k + 'iid'
        data_opt.data.value_prepro = aux.Option({'name': 'OneBased'})

        c = CFR(opt, data_opt=data_opt)
        c.initialize()
        c.train()
        self.assertTrue(len(c.topk_recommendation('1', 10)), 10)
        ret_a = [x for x, _ in c.most_similar('49.Star_Wars_(1977)')]
        self.assertIn('180.Return_of_the_Jedi_(1983)', ret_a)
        c.normalize()
        ret_b = [x for x, _ in c.most_similar('49.Star_Wars_(1977)')]
        self.assertIn('180.Return_of_the_Jedi_(1983)', ret_b)
        self.assertEqual(ret_a, ret_b)