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run_all_algorithms.py
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run_all_algorithms.py
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import os
import traceback
from Data_manager.loaders import *
from Evaluation.Evaluator import EvaluatorHoldout
from Recommenders.BaseCBFRecommender import BaseItemCBFRecommender, BaseUserCBFRecommender
from Recommenders.Incremental_Training_Early_Stopping import Incremental_Training_Early_Stopping
from Recommenders.Recommender_import_list import *
def _get_instance(recommender_class, URM_train, ICM_all, UCM_all):
if issubclass(recommender_class, BaseItemCBFRecommender):
recommender_object = recommender_class(URM_train, ICM_all)
elif issubclass(recommender_class, BaseUserCBFRecommender):
recommender_object = recommender_class(URM_train, UCM_all)
else:
recommender_object = recommender_class(URM_train)
return recommender_object
if __name__ == '__main__':
from Data_manager.split_functions.split_train_validation_random_holdout import \
split_train_in_two_percentage_global_sample
print("Loading data...")
URM_all = load_URM("input\interactions_and_impressions.csv")
ICM_length = load_ICM("input\data_ICM_length.csv")
ICM_type = load_ICM("input\data_ICM_type.csv")
UCM_all = None
URM_train_validation, URM_test = split_train_in_two_percentage_global_sample(URM_all, train_percentage=0.8)
URM_train, URM_validation = split_train_in_two_percentage_global_sample(URM_train_validation, train_percentage=0.8)
ICM_all = ICM_length
UCM_all = ICM_length
print(URM_train.shape[0], URM_validation.shape[0], URM_test.shape[0])
print("Loading complete")
recommender_class_list = [
Random,
TopPop,
GlobalEffects,
SLIMElasticNetRecommender,
UserKNNCFRecommender,
IALSRecommender,
MatrixFactorization_BPR_Cython,
MatrixFactorization_FunkSVD_Cython,
MatrixFactorization_AsySVD_Cython,
EASE_R_Recommender,
ItemKNNCFRecommender,
P3alphaRecommender,
SLIM_BPR_Cython,
RP3betaRecommender,
PureSVDRecommender,
NMFRecommender,
# UserKNNCBFRecommender,
ItemKNNCBFRecommender,
# UserKNN_CFCBF_Hybrid_Recommender,
ItemKNN_CFCBF_Hybrid_Recommender,
LightFMCFRecommender,
# LightFMUserHybridRecommender,
LightFMItemHybridRecommender,
]
evaluator = EvaluatorHoldout(URM_test, [5, 20], exclude_seen=True)
# from MatrixFactorization.PyTorch.MF_MSE_PyTorch import MF_MSE_PyTorch
earlystopping_keywargs = {"validation_every_n": 5,
"stop_on_validation": True,
"evaluator_object": EvaluatorHoldout(URM_validation, [20], exclude_seen=True),
"lower_validations_allowed": 5,
"validation_metric": "MAP",
}
output_root_path = "./result_experiments/"
# If directory does not exist, create
if not os.path.exists(output_root_path):
os.makedirs(output_root_path)
logFile = open(output_root_path + "result_all_algorithms.txt", "a")
for recommender_class in recommender_class_list:
try:
print("Algorithm: {}".format(recommender_class))
recommender_object = _get_instance(recommender_class, URM_train, ICM_all, UCM_all)
if isinstance(recommender_object, Incremental_Training_Early_Stopping):
fit_params = {"epochs": 15, **earlystopping_keywargs}
else:
fit_params = {}
recommender_object.fit(**fit_params)
results_run_1, results_run_string_1 = evaluator.evaluateRecommender(recommender_object)
recommender_object.save_model(output_root_path, file_name = "temp_model.zip")
recommender_object = _get_instance(recommender_class, URM_train, ICM_all, UCM_all)
recommender_object.load_model(output_root_path, file_name = "temp_model.zip")
os.remove(output_root_path + "temp_model.zip")
results_run_2, results_run_string_2 = evaluator.evaluateRecommender(recommender_object)
if recommender_class not in [Random]:
assert results_run_1.equals(results_run_2)
print("Algorithm: {}, results: \n{}".format(recommender_class, results_run_string_1))
logFile.write("Algorithm: {}, results: \n{}\n".format(recommender_class, results_run_string_1))
logFile.flush()
except Exception as e:
traceback.print_exc()
logFile.write("Algorithm: {} - Exception: {}\n".format(recommender_class, str(e)))
logFile.flush()