def simple_evaluation(self, file_result, file_test):
# Verify that the files are valid
check_error_file(file_result)
check_error_file(file_test)
predict = ReadFile(file_result, space_type=self.space_type)
predict.main_information()
test = ReadFile(file_test, space_type=self.space_type)
test.main_information()
rmse = 0
mae = 0
count_comp = 0
for user in test.list_users:
for item in test.dict_users[user]:
try:
rui_predict = float(predict.dict_users[user][item])
rui_test = float(test.dict_users[user][item])
rmse += math.pow((rui_predict - rui_test), 2)
mae += math.fabs(rui_predict - rui_test)
count_comp += 1
except KeyError:
pass
if count_comp != 0:
rmse = math.sqrt(float(rmse) / float(count_comp))
mae = math.sqrt(float(mae) / float(count_comp))
return rmse, mae
