def get_ICM_all(reader: RecSys2019Reader):
"""
It returns all the ICM_all after applying feature engineering
:param reader: data splitter
:return: return ICM_all
"""
URM_all = reader.get_URM_all()
UCM_all_dict = reader.get_loaded_UCM_dict()
ICM_all_dict = reader.get_loaded_ICM_dict()
ICM_all_dict.pop("ICM_all")
ICM_all_dict = apply_feature_engineering_ICM(
ICM_all_dict,
URM_all,
UCM_all_dict,
ICM_names_to_count=["ICM_sub_class"],
UCM_names_to_list=["UCM_age"])
ICM_all_dict = apply_filtering_ICM(
ICM_all_dict,
ICM_name_to_filter_mapper={
"ICM_asset":
lambda x: x < np.quantile(x, q=0.75) + 0.72 *
(np.quantile(x, q=0.75) - np.quantile(x, q=0.25)),
"ICM_price":
lambda x: x < np.quantile(x, q=0.75) + 4 *
(np.quantile(x, q=0.75) - np.quantile(x, q=0.25))
})
ICM_all_dict = apply_transformation_ICM(ICM_all_dict,
ICM_name_to_transform_mapper={
"ICM_asset":
lambda x: np.log1p(1 / x),
"ICM_price":
lambda x: np.log1p(1 / x),
"ICM_item_pop":
np.log1p,
"ICM_sub_class_count":
np.log1p,
"ICM_age":
lambda x: x**(1 / 2.5)
})
ICM_all_dict = apply_discretization_ICM(ICM_all_dict,
ICM_name_to_bins_mapper={
"ICM_asset": 200,
"ICM_price": 200,
"ICM_item_pop": 50,
"ICM_sub_class_count": 50
})
ICM_all = build_ICM_all_from_dict(ICM_all_dict)
return ICM_all
def main():
# Data loading
root_data_path = os.path.join(get_project_root_path(), "data/")
data_reader = RecSys2019Reader(root_data_path)
data_reader = New_DataSplitter_leave_k_out(
data_reader,
k_out_value=K_OUT,
use_validation_set=False,
allow_cold_users=ALLOW_COLD_USERS,
force_new_split=True,
seed=get_split_seed())
data_reader.load_data()
URM_train, URM_test = data_reader.get_holdout_split()
ICM_all, _ = get_ICM_train_new(data_reader)
UCM_all, _ = get_UCM_train_new(data_reader)
# Ignoring users
ignore_users = get_ignore_users(
URM_train,
data_reader.get_original_user_id_to_index_mapper(),
lower_threshold=LOWER_THRESHOLD,
upper_threshold=UPPER_THRESHOLD,
ignore_non_target_users=IGNORE_NON_TARGET_USERS)
evaluator = EvaluatorHoldout(URM_test,
cutoff_list=[CUTOFF],
ignore_users=ignore_users)
# Model evaluation
model = get_model(URM_train, ICM_all, UCM_all)
print(evaluator.evaluateRecommender(model))
def get_UCM_all(reader: RecSys2019Reader):
URM_all = reader.get_URM_all()
UCM_all_dict = reader.get_loaded_UCM_dict()
ICM_dict = reader.get_loaded_ICM_dict()
UCM_all_dict = apply_feature_engineering_UCM(
UCM_all_dict, URM_all, ICM_dict, ICM_names_to_UCM=["ICM_sub_class"])
# These are useful feature weighting for UserCBF_CF_Warm
UCM_all_dict = apply_transformation_UCM(UCM_all_dict,
UCM_name_to_transform_mapper={
"UCM_sub_class":
lambda x: x / 2,
"UCM_user_act": np.log1p
})
UCM_all_dict = apply_discretization_UCM(
UCM_all_dict, UCM_name_to_bins_mapper={"UCM_user_act": 50})
UCM_all = build_UCM_all_from_dict(UCM_all_dict)
return UCM_all
def main():
args = get_arguments()
# Data loading
root_data_path = args.reader_path
data_reader = RecSys2019Reader(root_data_path)
data_reader = New_DataSplitter_leave_k_out(data_reader, k_out_value=K_OUT, allow_cold_users=ALLOW_COLD_USERS,
use_validation_set=False, force_new_split=True, seed=args.seed)
data_reader.load_data()
URM_train, URM_test = data_reader.get_holdout_split()
# Remove interactions to users that has len == 1 to URM_train
len_1_users_mask = np.ediff1d(URM_train.tocsr().indptr) == 1
len_1_users = np.arange(URM_train.shape[0])[len_1_users_mask]
URM_train = URM_train.tolil()
URM_train[len_1_users, :] = 0
URM_train = URM_train.tocsr()
# Remove interactions to users that has len == 1 to URM_test
len_1_users_mask = np.ediff1d(URM_test.tocsr().indptr) == 1
len_1_users = np.arange(URM_test.shape[0])[len_1_users_mask]
URM_test = URM_test.tolil()
URM_test[len_1_users, :] = 0
URM_test = URM_test.tocsr()
UCM_all = get_UCM_train_cold(data_reader)
ignore_users = get_ignore_users(URM_train, data_reader.get_original_user_id_to_index_mapper(),
lower_threshold=args.lower_threshold, upper_threshold=args.upper_threshold,
ignore_non_target_users=args.exclude_non_target)
ignore_users = np.concatenate([ignore_users, len_1_users])
# Setting evaluator
cutoff_list = [10]
evaluator = EvaluatorHoldout(URM_test, cutoff_list=cutoff_list, ignore_users=ignore_users)
# HP tuning
print("Start tuning...")
version_path = "../../report/hp_tuning/{}/".format(args.recommender_name)
now = datetime.now().strftime('%b%d_%H-%M-%S')
now = now + "_k_out_value_{}/".format(K_OUT)
version_path = version_path + "/" + now
run_parameter_search_user_demographic(URM_train=URM_train, UCM_object=UCM_all, UCM_name="UCM_all",
recommender_class=RECOMMENDER_CLASS_DICT[args.recommender_name],
evaluator_validation=evaluator,
metric_to_optimize="MAP",
output_folder_path=version_path,
parallelizeKNN=True,
n_cases=int(args.n_cases),
n_random_starts=int(args.n_random_starts))
print("...tuning ended")
def read_split_load_data(k_out, allow_cold_users, seed):
root_data_path = os.path.join(get_project_root_path(), "data/")
data_reader = RecSys2019Reader(root_data_path)
data_reader = New_DataSplitter_leave_k_out(
data_reader,
k_out_value=k_out,
use_validation_set=False,
allow_cold_users=allow_cold_users,
force_new_split=True,
seed=seed)
data_reader.load_data()
return data_reader
def get_ICM_all_new(reader: RecSys2019Reader):
"""
It returns all the ICM_all after applying feature engineering
:param reader: data splitter
:return: return ICM_all
"""
ICM_all_dict = reader.get_loaded_ICM_dict()
ICM_all_dict.pop("ICM_all")
ICM_all_dict = apply_filtering_ICM(
ICM_all_dict,
ICM_name_to_filter_mapper={
"ICM_asset":
lambda x: x < np.quantile(x, q=0.75) + 0.72 *
(np.quantile(x, q=0.75) - np.quantile(x, q=0.25)),
"ICM_price":
lambda x: x < np.quantile(x, q=0.75) + 4 *
(np.quantile(x, q=0.75) - np.quantile(x, q=0.25))
})
# Apply useful transformation
ICM_all_dict = apply_transformation_ICM(ICM_all_dict,
ICM_name_to_transform_mapper={
"ICM_asset":
lambda x: np.log1p(1 / x),
"ICM_price":
lambda x: np.log1p(1 / x),
"ICM_item_pop":
np.log1p
})
ICM_all_dict = apply_discretization_ICM(ICM_all_dict,
ICM_name_to_bins_mapper={
"ICM_asset": 200,
"ICM_price": 200,
"ICM_item_pop": 50
})
# Apply feature weighting
ICM_all_dict = apply_transformation_ICM(
ICM_all_dict,
ICM_name_to_transform_mapper={
"ICM_price": lambda x: x * 1.8474248499810804,
"ICM_asset": lambda x: x * 1.2232716972721878,
"ICM_sub_class": lambda x: x * 1.662671860026709,
"ICM_item_pop": lambda x: x * 0.886528360392298
})
ICM_all = build_ICM_all_from_dict(ICM_all_dict)
return ICM_all
def main():
args = get_arguments()
# Data loading
data_reader = RecSys2019Reader(args.reader_path)
data_reader = New_DataSplitter_leave_k_out(data_reader, k_out_value=3, use_validation_set=False,
force_new_split=True, seed=args.seed)
data_reader.load_data()
URM_train, URM_test = data_reader.get_holdout_split()
if args.recommender_name == "sslim_bpr":
ICM_all = get_ICM_train(data_reader)
URM_train = sps.vstack([URM_train, ICM_all.T], format="csr")
if args.recommender_name == "rp3beta_side":
ICM_all = get_ICM_train(data_reader)
URM_train = sps.vstack([URM_train, ICM_all.T], format="csr")
URM_train = TF_IDF(URM_train).tocsr()
if args.recommender_name == "pure_svd":
URM_train = TF_IDF(URM_train).tocsr()
if args.recommender_name == "pure_svd_side":
ICM_all = get_ICM_train(data_reader)
URM_train = sps.vstack([URM_train, ICM_all.T], format="csr")
# Setting evaluator
exclude_cold_users = args.exclude_users
h = int(args.focus_on_high)
fol = int(args.focus_on_low)
if h != 0:
print("Excluding users with less than {} interactions".format(h))
ignore_users_mask = np.ediff1d(URM_train.tocsr().indptr) < h
ignore_users = np.arange(URM_train.shape[0])[ignore_users_mask]
elif fol != 0:
print("Excluding users with more than {} interactions".format(fol))
warm_users_mask = np.ediff1d(URM_train.tocsr().indptr) > fol
ignore_users = np.arange(URM_train.shape[0])[warm_users_mask]
if exclude_cold_users:
cold_user_mask = np.ediff1d(URM_train.tocsr().indptr) == 0
cold_users = np.arange(URM_train.shape[0])[cold_user_mask]
ignore_users = np.unique(np.concatenate((cold_users, ignore_users)))
elif exclude_cold_users:
print("Excluding cold users...")
cold_user_mask = np.ediff1d(URM_train.tocsr().indptr) == 0
ignore_users = np.arange(URM_train.shape[0])[cold_user_mask]
else:
ignore_users = None
cutoff_list = [10]
evaluator = EvaluatorHoldout(URM_test, cutoff_list=cutoff_list, ignore_users=ignore_users)
# HP tuning
print("Start tuning...")
version_path = "../../report/hp_tuning/{}/".format(args.recommender_name)
now = datetime.now().strftime('%b%d_%H-%M-%S')
now = now + "_k_out_value_3/"
version_path = version_path + "/" + now
runParameterSearch_Collaborative(URM_train=URM_train,
recommender_class=RECOMMENDER_CLASS_DICT[args.recommender_name],
evaluator_validation=evaluator,
metric_to_optimize="MAP",
output_folder_path=version_path,
n_cases=int(args.n_cases),
n_random_starts=int(args.n_random_starts))
print("...tuning ended")
from datetime import datetime
from course_lib.Base.Evaluation.Evaluator import EvaluatorHoldout
from src.data_management.New_DataSplitter_leave_k_out import New_DataSplitter_leave_k_out
from src.data_management.RecSys2019Reader import RecSys2019Reader
from src.data_management.dataframe_preprocesser import get_preprocessed_dataframe
from src.tuning.holdout_validation.run_parameter_search_advanced_top_pop import run_parameter_search_advanced_top_pop
from src.utils.general_utility_functions import get_split_seed
if __name__ == '__main__':
# Data loading
data_reader = RecSys2019Reader("../../data/")
data_reader = New_DataSplitter_leave_k_out(data_reader,
k_out_value=3,
use_validation_set=False,
force_new_split=True,
seed=get_split_seed())
data_reader.load_data()
URM_train, URM_test = data_reader.get_holdout_split()
mapper = data_reader.get_original_user_id_to_index_mapper()
df = get_preprocessed_dataframe("../../data/", keep_warm_only=True)
# Setting evaluator
# warm_users_mask = np.ediff1d(URM_train.tocsr().indptr) > 0
# warm_users = np.arange(URM_train.shape[0])[warm_users_mask]
# ignore_users = warm_users
cutoff_list = [10]
evaluator = EvaluatorHoldout(URM_test, cutoff_list=cutoff_list)
# HP tuning
print("Start tuning...")
from course_lib.Base.NonPersonalizedRecommender import TopPop
from scripts.fm_model.write_ffm_data_uncompressed import get_ICM_with_fields, get_UCM_with_fields
from scripts.scripts_utils import set_env_variables
from src.data_management.DataPreprocessing import DataPreprocessingRemoveColdUsersItems
from src.data_management.New_DataSplitter_leave_k_out import *
from src.data_management.RecSys2019Reader import RecSys2019Reader
from src.model import new_best_models
from src.model.FactorizationMachine.FieldAwareFMRecommender import FieldAwareFMRecommender
from src.utils.general_utility_functions import get_split_seed, get_project_root_path
if __name__ == '__main__':
set_env_variables()
# Data loading
root_data_path = "../data/"
data_reader = RecSys2019Reader(root_data_path)
data_reader = DataPreprocessingRemoveColdUsersItems(data_reader,
threshold_users=25,
threshold_items=20)
data_reader = New_DataSplitter_leave_k_out(data_reader,
k_out_value=1,
use_validation_set=False,
force_new_split=True,
seed=get_split_seed())
data_reader.load_data()
URM_train, URM_test = data_reader.get_holdout_split()
# Build ICMs
ICM_all, item_feature_fields = get_ICM_with_fields(data_reader)
# Build UCMs: do not change the order of ICMs and UCMs
from src.data_management.RecSys2019Reader import RecSys2019Reader
from course_lib.Data_manager.DataSplitter_k_fold import DataSplitter_Warm_k_fold
from course_lib.Base.Evaluation.Evaluator import *
from course_lib.ParameterTuning.run_parameter_search import *
from course_lib.Notebooks_utils.data_splitter import train_test_holdout
if __name__ == '__main__':
# Data loading
dataset = RecSys2019Reader("../data/train.csv", "../data/tracks.csv")
dataset = DataSplitter_Warm_k_fold(dataset, n_folds=10)
dataset.load_data()
URM_train, URM_test = dataset.get_URM_train_for_test_fold(n_test_fold=8)
# Hyperparameter tuning
cutoff_list = [10]
evaluator = EvaluatorHoldout(URM_test, cutoff_list=cutoff_list)
fake_URM_train, subset_URM_test = train_test_holdout(URM_test,
train_perc=0.95)
evaluator_early_stopping = EvaluatorHoldout(subset_URM_test,
cutoff_list=cutoff_list)
# Sarebbe meglio un subset della matrice per fare early stopping, in modo che vada molto più velcoe...
print("Start tuning...")
runParameterSearch_Collaborative(
URM_train=URM_train,
recommender_class=SLIM_BPR_Cython,
evaluator_validation=evaluator,
evaluator_validation_earlystopping=evaluator_early_stopping,
metric_to_optimize="MAP",
from src.data_management.New_DataSplitter_leave_k_out import *
from src.data_management.RecSys2019Reader import RecSys2019Reader
from src.data_management.RecSys2019Reader_utils import get_ICM_numerical, merge_UCM
from src.data_management.data_getter import get_warmer_UCM
from src.model.FallbackRecommender.AdvancedTopPopular import AdvancedTopPopular
from src.plots.recommender_plots import *
from src.data_management.dataframe_preprocesser import get_preprocessed_dataframe
from src.model import best_models
from src.utils.general_utility_functions import get_split_seed
if __name__ == '__main__':
# Data reading
data_reader = RecSys2019Reader()
data_reader = New_DataSplitter_leave_k_out(data_reader,
k_out_value=3,
use_validation_set=False,
force_new_split=True,
seed=get_split_seed())
data_reader.load_data()
URM_train, URM_test = data_reader.get_holdout_split()
mapper = data_reader.SPLIT_GLOBAL_MAPPER_DICT['user_original_ID_to_index']
df = get_preprocessed_dataframe("../../data/", keep_warm_only=True)
# Build ICMs
ICM_numerical, _ = get_ICM_numerical(data_reader.dataReader_object)
ICM_categorical = data_reader.get_ICM_from_name("ICM_sub_class")
# Build UCMs
URM_all = data_reader.dataReader_object.get_URM_all()
UCM_age = data_reader.dataReader_object.get_UCM_from_name("UCM_age")
from course_lib.KNN.UserKNNCFRecommender import UserKNNCFRecommender
from src.data_management.RecSys2019Reader import RecSys2019Reader
from course_lib.Data_manager.DataSplitter_k_fold import DataSplitter_Warm_k_fold
if __name__ == '__main__':
dataset = RecSys2019Reader("../../data/")
dataset = DataSplitter_Warm_k_fold(dataset, n_folds=10)
dataset.load_data()
URM_train, URM_test = dataset.get_URM_train_for_test_fold(n_test_fold=9)
model = UserKNNCFRecommender(URM_train)
model.fit()
print("The recommendation for user 1 is: {}".format(
model.recommend(1, cutoff=10)))
# + {"pycharm": {"name": "#%%\n", "is_executing": false}}
df_target.head()
# + {"pycharm": {"name": "#%%\n", "is_executing": false}}
target_users = df_target.user_id.values
target_users
# + {"pycharm": {"name": "#%%\n", "is_executing": false}}
print("There are %d users in the target users" % len(target_users))
# -
# ## Analyze target users w.r.t. URM
# + {"pycharm": {"name": "#%%\n", "is_executing": false}}
dataset = RecSys2019Reader()
dataset.load_data()
# + {"pycharm": {"name": "#%%\n", "is_executing": false}}
URM_all = dataset.get_URM_all()
URM_all
# + {"pycharm": {"name": "#%%\n", "is_executing": false}}
URM_user_mapper = dataset.get_user_original_ID_to_index_mapper()
original_users_URM = list(URM_user_mapper.keys())
# + {"pycharm": {"name": "#%%\n", "is_executing": false}}
mask = np.in1d(target_users, original_users_URM, assume_unique=True)
missing_users = target_users[~mask]
missing_users
def get_UCM_all_new(reader: RecSys2019Reader):
URM_all = reader.get_URM_all()
UCM_all_dict = reader.get_loaded_UCM_dict()
ICM_dict = reader.get_loaded_ICM_dict()
# Preprocess ICM
ICM_dict.pop("ICM_all")
ICM_dict = apply_feature_engineering_ICM(
ICM_dict,
URM_all,
UCM_all_dict,
ICM_names_to_count=["ICM_sub_class"],
UCM_names_to_list=["UCM_age"])
ICM_dict = apply_filtering_ICM(
ICM_dict,
ICM_name_to_filter_mapper={
"ICM_asset":
lambda x: x < np.quantile(x, q=0.75) + 0.72 *
(np.quantile(x, q=0.75) - np.quantile(x, q=0.25)),
"ICM_price":
lambda x: x < np.quantile(x, q=0.75) + 4 *
(np.quantile(x, q=0.75) - np.quantile(x, q=0.25))
})
ICM_dict = apply_transformation_ICM(ICM_dict,
ICM_name_to_transform_mapper={
"ICM_asset":
lambda x: np.log1p(1 / x),
"ICM_price":
lambda x: np.log1p(1 / x),
"ICM_item_pop": np.log1p,
"ICM_sub_class_count": np.log1p,
"ICM_age": lambda x: x**(1 / 2.5)
})
ICM_dict = apply_discretization_ICM(ICM_dict,
ICM_name_to_bins_mapper={
"ICM_asset": 200,
"ICM_price": 200,
"ICM_item_pop": 50,
"ICM_sub_class_count": 50
})
# Preprocess UCM
UCM_all_dict = apply_feature_engineering_UCM(
UCM_all_dict,
URM_all,
ICM_dict,
ICM_names_to_UCM=["ICM_sub_class", "ICM_item_pop"])
UCM_all_dict = apply_feature_entropy_UCM(
UCM_all_dict, UCM_names_to_entropy=["UCM_sub_class"])
# Apply useful transformation
UCM_all_dict = apply_transformation_UCM(
UCM_all_dict, UCM_name_to_transform_mapper={"UCM_user_act": np.log1p})
UCM_all_dict = apply_discretization_UCM(UCM_all_dict,
UCM_name_to_bins_mapper={
"UCM_user_act": 50,
"UCM_sub_class_entropy": 20
})
UCM_all = build_UCM_all_from_dict(UCM_all_dict)
return UCM_all
