def create_feature(self):
# Check if the dataset id is train or test
if is_test_or_val_set(self.dataset_id):
train_dataset_id = get_train_set_id_from_test_or_val_set(
self.dataset_id)
test_dataset_id = self.dataset_id
else:
train_dataset_id = self.dataset_id
test_dataset_id = get_test_or_val_set_id_from_train(
train_dataset_id)
import Utils.Data.Data as data
train_df = data.get_dataset([
f"mapped_feature_creator_id", f"mapped_feature_engager_id",
f"tweet_feature_engagement_is_{self._get_suffix()}"
], train_dataset_id)
if is_test_or_val_set(self.dataset_id):
test_df = data.get_dataset(
[f"mapped_feature_creator_id", f"mapped_feature_engager_id"],
test_dataset_id)
train_df = train_df[
train_df[f"tweet_feature_engagement_is_{self._get_suffix()}"]
== True]
res = compute(train_df, test_df)
res.sort_index(inplace=True)
self._save_test_result(res, test_dataset_id)
else:
# Compute the folds
X_train_folds = np.array_split(train_df.sample(frac=1),
self.number_of_folds)
result = None
for i in range(self.number_of_folds):
local_train = pd.concat([
X_train_folds[x] for x in range(self.number_of_folds)
if x is not i
])
local_train = local_train[local_train[
f"tweet_feature_engagement_is_{self._get_suffix()}"] ==
True]
local_test = X_train_folds[i]
res = compute(local_train, local_test)
if result is None:
result = res
else:
result = pd.concat([result, res])
self._save_train_result_if_not_present(result, train_dataset_id)
def create_feature(self):
import Utils.Data.Data as data
df = data.get_dataset([f"number_of_engagements_{self._get_suffix()}"],
self.dataset_id)
support_df = data.get_dataset([
f"number_of_engagements_positive",
f"number_of_engagements_negative"
], self.dataset_id)
df['total'] = support_df["number_of_engagements_positive"] + support_df[
"number_of_engagements_negative"]
result = pd.DataFrame(
df[f"number_of_engagements_{self._get_suffix()}"] / df["total"])
result.fillna(0, inplace=True)
result.replace([np.inf, -np.inf], 0, inplace=True)
self.save_feature(result)
def get_popularity(self):
import Utils.Data.Data as data
if self.popularity_path.is_file():
return np.load(self.popularity_path, allow_pickle=True)
else:
x = data.get_dataset(
[
"mapped_feature_tweet_id",
"mapped_feature_tweet_hashtags",
"raw_feature_tweet_timestamp"
], self.dataset_id
)
x.columns = ["tweet", "hashtags", "time"]
x = x.drop_duplicates("tweet")
x = x.set_index('time', drop=True)
x = x.sort_index()
# Group size
n = self.window_size
# Overlapping size
m = self.window_overlap
chunks = [x[i:i + n] for i in range(0, len(x), n - m)]
result = process_map(compute_chunk, chunks)
s = [r[0] for r in result]
y = data.get_dataset(
[
"mapped_feature_tweet_id",
"mapped_feature_tweet_hashtags",
"raw_feature_tweet_timestamp"
], self.dataset_id
)
y.columns = ["tweet", "hashtags", "time"]
get_popularity_partial = functools.partial(get_popularity, result=result, s=s)
popularity = pd.concat(process_map(get_popularity_partial, np.array_split(y, 100)))
self.popularity_path.parent.mkdir(parents=True, exist_ok=True)
np.save(self.popularity_path, popularity, allow_pickle=True)
return popularity
def create_feature(self):
# Check if the dataset id is train or test
if not is_test_or_val_set(self.dataset_id):
# Compute train and test dataset ids
train_dataset_id = self.dataset_id
# Load the dataset and shuffle it
import Utils.Data.Data as data
X_train = data.get_dataset(features=self.features,
dataset_id=train_dataset_id,
nthread=64)
print(X_train)
print(X_train.memory_usage())
Y_train = data.get_dataset(features=self.label,
dataset_id=train_dataset_id,
nthread=64)
print(Y_train)
print(Y_train.memory_usage())
# Declare list of scores (of each folds)
# used for aggregating results
scores = []
kf = KFold(n_splits=4, shuffle=True, random_state=8)
# Train multiple models with 1-fold out strategy
for train_index, test_index in kf.split(X_train):
train_index = np.random.choice(train_index,
int(len(train_index) / 20),
replace=True)
local_X_train = X_train.iloc[train_index]
local_Y_train = Y_train.iloc[train_index]
# Compute the test set
local_X_test = X_train.iloc[test_index]
# Generate the dataset id for this fold
fold_dataset_id = f"{self.feature_name}_{self.dataset_id}_fold_{len(scores)}"
# Create the sub-feature
feature = XGBEnsembling(fold_dataset_id, local_X_train,
local_Y_train, local_X_test,
self.param_dict)
# Retrieve the scores
scores.append(
pd.DataFrame(feature.load_or_create(),
index=local_X_test.index))
print(scores)
# Compute the resulting dataframe and sort the results
result = pd.concat(scores).sort_index()
# Save it as a feature
self.save_feature(result)
else:
test_dataset_id = self.dataset_id
train_dataset_id = get_train_set_id_from_test_or_val_set(
test_dataset_id)
# Load the train dataset
import Utils.Data.Data as data
X_train = data.get_dataset_batch(features=self.features,
dataset_id=train_dataset_id,
total_n_split=1,
split_n=0,
sample=0.05)
Y_train = data.get_dataset_batch(features=self.label,
dataset_id=train_dataset_id,
total_n_split=1,
split_n=0,
sample=0.05)
# Load the test dataset
X_test = data.get_dataset(features=self.features,
dataset_id=test_dataset_id,
nthread=64)
fold_dataset_id = f"{self.feature_name}_{self.dataset_id}"
# Create the sub-feature
feature = XGBEnsembling(fold_dataset_id, X_train, Y_train, X_test,
self.param_dict)
# Retrieve the scores
result = pd.DataFrame(feature.load_or_create(), index=X_test.index)
# Save it as a feature
self.save_feature(result)
def main():
# Instantiate the parser
parser = argparse.ArgumentParser()
parser.add_argument('label', type=str, help='required argument: label')
args = parser.parse_args()
nn_labels = ["like", "reply", "retweet", "comment"]
LABEL = args.label
assert LABEL in ["like", "reply", "retweet", "comment"], "LABEL not valid."
print(f"label is {LABEL}")
features = [
"raw_feature_creator_follower_count",
"raw_feature_creator_following_count",
"raw_feature_engager_follower_count",
"raw_feature_engager_following_count",
"raw_feature_creator_is_verified",
"raw_feature_engager_is_verified",
"raw_feature_engagement_creator_follows_engager",
"tweet_feature_number_of_photo",
"tweet_feature_number_of_video",
"tweet_feature_number_of_gif",
"tweet_feature_number_of_media",
"tweet_feature_is_retweet",
"tweet_feature_is_quote",
"tweet_feature_is_top_level",
"tweet_feature_number_of_hashtags",
"tweet_feature_creation_timestamp_hour",
"tweet_feature_creation_timestamp_week_day",
# "tweet_feature_number_of_mentions",
"tweet_feature_token_length",
"tweet_feature_token_length_unique",
"tweet_feature_text_topic_word_count_adult_content",
"tweet_feature_text_topic_word_count_kpop",
"tweet_feature_text_topic_word_count_covid",
"tweet_feature_text_topic_word_count_sport",
"number_of_engagements_with_language_like",
"number_of_engagements_with_language_retweet",
"number_of_engagements_with_language_reply",
"number_of_engagements_with_language_comment",
"number_of_engagements_with_language_negative",
"number_of_engagements_with_language_positive",
"number_of_engagements_ratio_like",
"number_of_engagements_ratio_retweet",
"number_of_engagements_ratio_reply",
"number_of_engagements_ratio_comment",
"number_of_engagements_ratio_negative",
"number_of_engagements_ratio_positive",
"number_of_engagements_between_creator_and_engager_like",
"number_of_engagements_between_creator_and_engager_retweet",
"number_of_engagements_between_creator_and_engager_reply",
"number_of_engagements_between_creator_and_engager_comment",
"number_of_engagements_between_creator_and_engager_negative",
"number_of_engagements_between_creator_and_engager_positive",
"creator_feature_number_of_like_engagements_received",
"creator_feature_number_of_retweet_engagements_received",
"creator_feature_number_of_reply_engagements_received",
"creator_feature_number_of_comment_engagements_received",
"creator_feature_number_of_negative_engagements_received",
"creator_feature_number_of_positive_engagements_received",
"creator_feature_number_of_like_engagements_given",
"creator_feature_number_of_retweet_engagements_given",
"creator_feature_number_of_reply_engagements_given",
"creator_feature_number_of_comment_engagements_given",
"creator_feature_number_of_negative_engagements_given",
"creator_feature_number_of_positive_engagements_given",
"engager_feature_number_of_like_engagements_received",
"engager_feature_number_of_retweet_engagements_received",
"engager_feature_number_of_reply_engagements_received",
"engager_feature_number_of_comment_engagements_received",
"engager_feature_number_of_negative_engagements_received",
"engager_feature_number_of_positive_engagements_received",
"number_of_engagements_like",
"number_of_engagements_retweet",
"number_of_engagements_reply",
"number_of_engagements_comment",
"number_of_engagements_negative",
"number_of_engagements_positive",
"engager_feature_number_of_previous_like_engagement",
"engager_feature_number_of_previous_reply_engagement",
"engager_feature_number_of_previous_retweet_engagement",
"engager_feature_number_of_previous_comment_engagement",
"engager_feature_number_of_previous_positive_engagement",
"engager_feature_number_of_previous_negative_engagement",
"engager_feature_number_of_previous_engagement",
"engager_feature_number_of_previous_like_engagement_ratio_1",
"engager_feature_number_of_previous_reply_engagement_ratio_1",
"engager_feature_number_of_previous_retweet_engagement_ratio_1",
"engager_feature_number_of_previous_comment_engagement_ratio_1",
"engager_feature_number_of_previous_positive_engagement_ratio_1",
"engager_feature_number_of_previous_negative_engagement_ratio_1",
"engager_feature_number_of_previous_like_engagement_ratio",
"engager_feature_number_of_previous_reply_engagement_ratio",
"engager_feature_number_of_previous_retweet_engagement_ratio",
"engager_feature_number_of_previous_comment_engagement_ratio",
"engager_feature_number_of_previous_positive_engagement_ratio",
"engager_feature_number_of_previous_negative_engagement_ratio",
"engager_feature_number_of_previous_like_engagement_between_creator_and_engager_by_creator",
"engager_feature_number_of_previous_reply_engagement_between_creator_and_engager_by_creator",
"engager_feature_number_of_previous_retweet_engagement_between_creator_and_engager_by_creator",
"engager_feature_number_of_previous_comment_engagement_between_creator_and_engager_by_creator",
"engager_feature_number_of_previous_negative_engagement_between_creator_and_engager_by_creator",
"engager_feature_number_of_previous_positive_engagement_between_creator_and_engager_by_creator",
"engager_feature_number_of_previous_like_engagement_between_creator_and_engager_by_engager",
"engager_feature_number_of_previous_reply_engagement_between_creator_and_engager_by_engager",
"engager_feature_number_of_previous_retweet_engagement_between_creator_and_engager_by_engager",
"engager_feature_number_of_previous_comment_engagement_between_creator_and_engager_by_engager",
"engager_feature_number_of_previous_negative_engagement_between_creator_and_engager_by_engager",
"engager_feature_number_of_previous_positive_engagement_between_creator_and_engager_by_engager",
# "tweet_feature_number_of_previous_like_engagements",
# "tweet_feature_number_of_previous_reply_engagements",
# "tweet_feature_number_of_previous_retweet_engagements",
# "tweet_feature_number_of_previous_comment_engagements",
# "tweet_feature_number_of_previous_positive_engagements",
# "tweet_feature_number_of_previous_negative_engagements",
"creator_feature_number_of_previous_like_engagements_given",
"creator_feature_number_of_previous_reply_engagements_given",
"creator_feature_number_of_previous_retweet_engagements_given",
"creator_feature_number_of_previous_comment_engagements_given",
"creator_feature_number_of_previous_positive_engagements_given",
"creator_feature_number_of_previous_negative_engagements_given",
"creator_feature_number_of_previous_like_engagements_received",
"creator_feature_number_of_previous_reply_engagements_received",
"creator_feature_number_of_previous_retweet_engagements_received",
"creator_feature_number_of_previous_comment_engagements_received",
"creator_feature_number_of_previous_positive_engagements_received",
"creator_feature_number_of_previous_negative_engagements_received",
"engager_feature_number_of_previous_like_engagement_with_language",
"engager_feature_number_of_previous_reply_engagement_with_language",
"engager_feature_number_of_previous_retweet_engagement_with_language",
"engager_feature_number_of_previous_comment_engagement_with_language",
"engager_feature_number_of_previous_positive_engagement_with_language",
"engager_feature_number_of_previous_negative_engagement_with_language",
"engager_feature_knows_hashtag_positive",
"engager_feature_knows_hashtag_negative",
"engager_feature_knows_hashtag_like",
"engager_feature_knows_hashtag_reply",
"engager_feature_knows_hashtag_rt",
"engager_feature_knows_hashtag_comment",
"creator_and_engager_have_same_main_language",
"is_tweet_in_creator_main_language",
"is_tweet_in_engager_main_language",
# "statistical_probability_main_language_of_engager_engage_tweet_language_1",
# "statistical_probability_main_language_of_engager_engage_tweet_language_2",
"creator_and_engager_have_same_main_grouped_language",
"is_tweet_in_creator_main_grouped_language",
"is_tweet_in_engager_main_grouped_language",
# # "hashtag_similarity_fold_ensembling_positive",
# # "link_similarity_fold_ensembling_positive",
# # "domain_similarity_fold_ensembling_positive"
"tweet_feature_creation_timestamp_hour_shifted",
"tweet_feature_creation_timestamp_day_phase",
"tweet_feature_creation_timestamp_day_phase_shifted"
]
label = [f"tweet_feature_engagement_is_{LABEL}"]
train_dataset = "cherry_train"
val_dataset = "cherry_val"
test_dataset = "new_test"
ensembling_list_dict = {
'like': [],
'reply': ['reply', 'retweet', 'comment'],
'retweet': ['reply', 'retweet', 'comment'],
'comment': ['reply', 'retweet', 'comment'],
}
ensembling_list = ensembling_list_dict[LABEL]
ensembling_lgbm_params = {}
ensembling_xgb_params = {}
for ens_label in ensembling_list:
ensembling_lgbm_params[ens_label], ensembling_xgb_params[ens_label]\
= params_by_label(ens_label)
categorical_features_set = set([])
# Load train data
# loading_data_start_time = time.time()
# df_train, df_train_label = Data.get_dataset_xgb(train_dataset, features, label)
# print(f"Loading train data time: {loading_data_start_time - time.time()} seconds")
# Load val data
df_val, df_val_label = Data.get_dataset_xgb(val_dataset, features, label)
# Load test data
df_test = Data.get_dataset(features, test_dataset)
new_index = pd.Series(df_test.index).map(lambda x: x + len(df_val))
df_test.set_index(new_index, inplace=True)
# df to be predicted by the lgbm blending feature
df_to_predict = pd.concat([df_val, df_test])
# BLENDING FEATURE DECLARATION
feature_list = []
df_train = pd.DataFrame(columns=features)
df_train_label = pd.DataFrame(columns=label)
need_to_load_train_set = False
for ens_label in ensembling_list:
lgbm_params = ensembling_lgbm_params[ens_label]
for lgbm_param_dict in lgbm_params:
start_time = time.time()
if not LGBMEnsemblingFeature(
dataset_id=train_dataset,
df_train=df_train,
df_train_label=get_ensembling_label(
ens_label, train_dataset),
df_to_predict=df_to_predict,
param_dict=lgbm_param_dict,
categorical_features_set=categorical_features_set
).has_feature():
print(f"{ens_label} {lgbm_param_dict}")
need_to_load_train_set = True
if need_to_load_train_set:
df_train, df_train_label = get_dataset_xgb_batch(
total_n_split=1,
split_n=0,
dataset_id=train_dataset,
X_label=features,
Y_label=label,
sample=0.3)
for ens_label in ensembling_list:
lgbm_params = ensembling_lgbm_params[ens_label]
for lgbm_param_dict in lgbm_params:
start_time = time.time()
feature_list.append(
LGBMEnsemblingFeature(
dataset_id=train_dataset,
df_train=df_train,
df_train_label=get_ensembling_label(
ens_label, train_dataset),
df_to_predict=df_to_predict,
param_dict=lgbm_param_dict,
categorical_features_set=categorical_features_set))
print(f"time: {time.time()-start_time}")
del df_train, df_train_label
# NEW PARTll
# ONLY THIS PART IS NEW
# LOAD THIS PART FIRST
df_feature_list = [x.load_or_create() for x in feature_list]
for ens_label in ensembling_list:
start_time = time.time()
if ens_label == "like":
val_features_df = XGBFoldEnsemblingLike2(
val_dataset).load_or_create()
test_features_df = XGBFoldEnsemblingLike2(
test_dataset).load_or_create()
elif ens_label == "retweet":
val_features_df = XGBFoldEnsemblingRetweet2(
val_dataset).load_or_create()
test_features_df = XGBFoldEnsemblingRetweet2(
test_dataset).load_or_create()
elif ens_label == "reply":
val_features_df = XGBFoldEnsemblingReply2(
val_dataset).load_or_create()
test_features_df = XGBFoldEnsemblingReply2(
test_dataset).load_or_create()
elif ens_label == "comment":
val_features_df = XGBFoldEnsemblingComment2(
val_dataset).load_or_create()
test_features_df = XGBFoldEnsemblingComment2(
test_dataset).load_or_create()
else:
assert False, "oh oh something went wrong. label not found"
test_features_df.set_index(new_index, inplace=True)
xgb_feature_df = pd.concat([val_features_df, test_features_df])
df_feature_list.append(xgb_feature_df)
print(f"time: {time.time() - start_time}")
del val_features_df, test_features_df
# check dimensions
len_val = len(df_val)
for df_feat in df_feature_list:
assert len(df_feat) == (len_val + len(df_test)), \
f"Blending features are not of dimension expected, len val: {len_val} len test: {len(df_test)}\n " \
f"obtained len: {len(df_feat)} of {df_feat.columns[0]}\n"
# split feature dataframe in validation and testing
df_feat_val_list = [df_feat.iloc[:len_val] for df_feat in df_feature_list]
#df_feat_test_list = [df_feat.iloc[len_val:] for df_feat in df_feature_list]
df_feat_nn_val_list_1 = [
get_nn_prediction(l, 1, val_dataset) for l in nn_labels
]
df_feat_nn_val_list_2 = [
get_nn_prediction(l, 2, val_dataset) for l in nn_labels
]
df_feat_val_list += df_feat_nn_val_list_1 + df_feat_nn_val_list_2
df_to_be_concatenated_list = [df_val] + df_feat_val_list + [df_val_label]
# creating the new validation set on which we will do meta optimization
df_val = pd.concat(df_to_be_concatenated_list, axis=1)
# now we are in full meta-model mode
# watchout! they are unsorted now, you got to re-sort the dfs
df_metatrain, df_metaval = train_test_split(df_val, test_size=0.2)
df_metatrain.sort_index(inplace=True)
df_metaval.sort_index(inplace=True)
# split dataframe columns in train and label
col_names_list = [df_feat.columns[0] for df_feat in df_feature_list]
extended_features = features + col_names_list
df_metatrain_label = df_metatrain[label]
df_metatrain = df_metatrain[extended_features]
df_metaval_label = df_metaval[label]
df_metaval = df_metaval[extended_features]
model_name = "lightgbm_classifier"
kind = LABEL
OP = Optimizer(model_name,
kind,
mode=0,
path=LABEL,
path_log=f"blending-lgbm-{LABEL}-twonn-reg",
make_log=True,
make_save=False,
auto_save=False)
OP.setParameters(n_calls=100, n_random_starts=30)
OP.loadTrainData(df_metatrain, df_metatrain_label)
OP.loadValData(df_metaval, df_metaval_label) # early stopping
OP.loadTestData(df_metaval, df_metaval_label) # evaluate objective
OP.setParamsLGB(objective='binary',
early_stopping_rounds=10,
eval_metric="binary",
is_unbalance=False)
OP.setCategoricalFeatures(categorical_features_set)
# OP.loadModelHardCoded()
res = OP.optimize()
def main():
# Instantiate the parser
parser = argparse.ArgumentParser()
parser.add_argument('label', type=str, help='required argument: label')
args = parser.parse_args()
nn_labels = ["like", "reply", "retweet", "comment"]
LABEL = args.label
assert LABEL in ["like", "reply", "retweet", "comment"], "LABEL not valid."
print(f"label is {LABEL}")
features = [
"raw_feature_creator_follower_count",
"raw_feature_creator_following_count",
"raw_feature_engager_follower_count",
"raw_feature_engager_following_count",
"raw_feature_creator_is_verified",
"raw_feature_engager_is_verified",
"raw_feature_engagement_creator_follows_engager",
"tweet_feature_number_of_photo",
"tweet_feature_number_of_video",
"tweet_feature_number_of_gif",
"tweet_feature_number_of_media",
"tweet_feature_is_retweet",
"tweet_feature_is_quote",
"tweet_feature_is_top_level",
"tweet_feature_number_of_hashtags",
"tweet_feature_creation_timestamp_hour",
"tweet_feature_creation_timestamp_week_day",
# "tweet_feature_number_of_mentions",
"tweet_feature_token_length",
"tweet_feature_token_length_unique",
"tweet_feature_text_topic_word_count_adult_content",
"tweet_feature_text_topic_word_count_kpop",
"tweet_feature_text_topic_word_count_covid",
"tweet_feature_text_topic_word_count_sport",
"number_of_engagements_with_language_like",
"number_of_engagements_with_language_retweet",
"number_of_engagements_with_language_reply",
"number_of_engagements_with_language_comment",
"number_of_engagements_with_language_negative",
"number_of_engagements_with_language_positive",
"number_of_engagements_ratio_like",
"number_of_engagements_ratio_retweet",
"number_of_engagements_ratio_reply",
"number_of_engagements_ratio_comment",
"number_of_engagements_ratio_negative",
"number_of_engagements_ratio_positive",
"number_of_engagements_between_creator_and_engager_like",
"number_of_engagements_between_creator_and_engager_retweet",
"number_of_engagements_between_creator_and_engager_reply",
"number_of_engagements_between_creator_and_engager_comment",
"number_of_engagements_between_creator_and_engager_negative",
"number_of_engagements_between_creator_and_engager_positive",
"creator_feature_number_of_like_engagements_received",
"creator_feature_number_of_retweet_engagements_received",
"creator_feature_number_of_reply_engagements_received",
"creator_feature_number_of_comment_engagements_received",
"creator_feature_number_of_negative_engagements_received",
"creator_feature_number_of_positive_engagements_received",
"creator_feature_number_of_like_engagements_given",
"creator_feature_number_of_retweet_engagements_given",
"creator_feature_number_of_reply_engagements_given",
"creator_feature_number_of_comment_engagements_given",
"creator_feature_number_of_negative_engagements_given",
"creator_feature_number_of_positive_engagements_given",
"engager_feature_number_of_like_engagements_received",
"engager_feature_number_of_retweet_engagements_received",
"engager_feature_number_of_reply_engagements_received",
"engager_feature_number_of_comment_engagements_received",
"engager_feature_number_of_negative_engagements_received",
"engager_feature_number_of_positive_engagements_received",
"number_of_engagements_like",
"number_of_engagements_retweet",
"number_of_engagements_reply",
"number_of_engagements_comment",
"number_of_engagements_negative",
"number_of_engagements_positive",
"engager_feature_number_of_previous_like_engagement",
"engager_feature_number_of_previous_reply_engagement",
"engager_feature_number_of_previous_retweet_engagement",
"engager_feature_number_of_previous_comment_engagement",
"engager_feature_number_of_previous_positive_engagement",
"engager_feature_number_of_previous_negative_engagement",
"engager_feature_number_of_previous_engagement",
"engager_feature_number_of_previous_like_engagement_ratio_1",
"engager_feature_number_of_previous_reply_engagement_ratio_1",
"engager_feature_number_of_previous_retweet_engagement_ratio_1",
"engager_feature_number_of_previous_comment_engagement_ratio_1",
"engager_feature_number_of_previous_positive_engagement_ratio_1",
"engager_feature_number_of_previous_negative_engagement_ratio_1",
"engager_feature_number_of_previous_like_engagement_ratio",
"engager_feature_number_of_previous_reply_engagement_ratio",
"engager_feature_number_of_previous_retweet_engagement_ratio",
"engager_feature_number_of_previous_comment_engagement_ratio",
"engager_feature_number_of_previous_positive_engagement_ratio",
"engager_feature_number_of_previous_negative_engagement_ratio",
"engager_feature_number_of_previous_like_engagement_between_creator_and_engager_by_creator",
"engager_feature_number_of_previous_reply_engagement_between_creator_and_engager_by_creator",
"engager_feature_number_of_previous_retweet_engagement_between_creator_and_engager_by_creator",
"engager_feature_number_of_previous_comment_engagement_between_creator_and_engager_by_creator",
"engager_feature_number_of_previous_negative_engagement_between_creator_and_engager_by_creator",
"engager_feature_number_of_previous_positive_engagement_between_creator_and_engager_by_creator",
"engager_feature_number_of_previous_like_engagement_between_creator_and_engager_by_engager",
"engager_feature_number_of_previous_reply_engagement_between_creator_and_engager_by_engager",
"engager_feature_number_of_previous_retweet_engagement_between_creator_and_engager_by_engager",
"engager_feature_number_of_previous_comment_engagement_between_creator_and_engager_by_engager",
"engager_feature_number_of_previous_negative_engagement_between_creator_and_engager_by_engager",
"engager_feature_number_of_previous_positive_engagement_between_creator_and_engager_by_engager",
# "tweet_feature_number_of_previous_like_engagements",
# "tweet_feature_number_of_previous_reply_engagements",
# "tweet_feature_number_of_previous_retweet_engagements",
# "tweet_feature_number_of_previous_comment_engagements",
# "tweet_feature_number_of_previous_positive_engagements",
# "tweet_feature_number_of_previous_negative_engagements",
"creator_feature_number_of_previous_like_engagements_given",
"creator_feature_number_of_previous_reply_engagements_given",
"creator_feature_number_of_previous_retweet_engagements_given",
"creator_feature_number_of_previous_comment_engagements_given",
"creator_feature_number_of_previous_positive_engagements_given",
"creator_feature_number_of_previous_negative_engagements_given",
"creator_feature_number_of_previous_like_engagements_received",
"creator_feature_number_of_previous_reply_engagements_received",
"creator_feature_number_of_previous_retweet_engagements_received",
"creator_feature_number_of_previous_comment_engagements_received",
"creator_feature_number_of_previous_positive_engagements_received",
"creator_feature_number_of_previous_negative_engagements_received",
"engager_feature_number_of_previous_like_engagement_with_language",
"engager_feature_number_of_previous_reply_engagement_with_language",
"engager_feature_number_of_previous_retweet_engagement_with_language",
"engager_feature_number_of_previous_comment_engagement_with_language",
"engager_feature_number_of_previous_positive_engagement_with_language",
"engager_feature_number_of_previous_negative_engagement_with_language",
"engager_feature_knows_hashtag_positive",
"engager_feature_knows_hashtag_negative",
"engager_feature_knows_hashtag_like",
"engager_feature_knows_hashtag_reply",
"engager_feature_knows_hashtag_rt",
"engager_feature_knows_hashtag_comment",
"creator_and_engager_have_same_main_language",
"is_tweet_in_creator_main_language",
"is_tweet_in_engager_main_language",
# "statistical_probability_main_language_of_engager_engage_tweet_language_1",
# "statistical_probability_main_language_of_engager_engage_tweet_language_2",
"creator_and_engager_have_same_main_grouped_language",
"is_tweet_in_creator_main_grouped_language",
"is_tweet_in_engager_main_grouped_language",
# # "hashtag_similarity_fold_ensembling_positive",
# # "link_similarity_fold_ensembling_positive",
# # "domain_similarity_fold_ensembling_positive"
"tweet_feature_creation_timestamp_hour_shifted",
"tweet_feature_creation_timestamp_day_phase",
"tweet_feature_creation_timestamp_day_phase_shifted"
]
label = [f"tweet_feature_engagement_is_{LABEL}"]
train_dataset = "cherry_train"
val_dataset = "cherry_val"
test_dataset = "new_test"
private_test_dataset = "last_test"
ensembling_list_dict = {
'like': ['reply', 'retweet', 'comment'],
'reply': ['reply', 'retweet', 'comment'],
'retweet': ['reply', 'retweet', 'comment'],
'comment': ['reply', 'retweet', 'comment'],
}
ensembling_list = ensembling_list_dict[LABEL]
ensembling_lgbm_params = {}
ensembling_xgb_params = {}
for ens_label in ensembling_list:
ensembling_lgbm_params[ens_label], ensembling_xgb_params[ens_label] \
= params_by_label(ens_label)
categorical_features_set = set([])
# Load train data
# loading_data_start_time = time.time()
# df_train, df_train_label = Data.get_dataset_xgb(train_dataset, features, label)
# print(f"Loading train data time: {loading_data_start_time - time.time()} seconds")
# Load val data
df_val, df_val_label = Data.get_dataset_xgb(val_dataset, features, label)
# Load test data
df_test = Data.get_dataset(features, test_dataset)
df_private = Data.get_dataset(features, private_test_dataset)
new_index = pd.Series(df_test.index).map(lambda x: x + len(df_val))
df_test.set_index(new_index, inplace=True)
new_index_private = pd.Series(
df_private.index).map(lambda x: x + len(df_val) + len(df_test))
df_private.set_index(new_index_private, inplace=True)
# df to be predicted by the lgbm blending feature
df_to_predict = pd.concat([df_val, df_test, df_private])
# BLENDING FEATURE DECLARATION
feature_list = []
# NEW CODE ADDED
df_train = pd.DataFrame(columns=features)
df_train_label = pd.DataFrame(columns=label)
need_to_load_train_set = False
for ens_label in ensembling_list:
lgbm_params = ensembling_lgbm_params[ens_label]
for lgbm_param_dict in lgbm_params:
start_time = time.time()
if not LGBMEnsemblingFeature(
dataset_id=private_test_dataset,
df_train=df_train,
df_train_label=get_ensembling_label(
ens_label, train_dataset),
df_to_predict=df_to_predict,
param_dict=lgbm_param_dict,
categorical_features_set=categorical_features_set
).has_feature():
print(f"{ens_label} {lgbm_param_dict}")
need_to_load_train_set = True
if need_to_load_train_set:
df_train, df_train_label = get_dataset_xgb_batch(
total_n_split=1,
split_n=0,
dataset_id=train_dataset,
X_label=features,
Y_label=label,
sample=0.3)
for ens_label in ensembling_list:
lgbm_params = ensembling_lgbm_params[ens_label]
for lgbm_param_dict in lgbm_params:
start_time = time.time()
feature_list.append(
LGBMEnsemblingFeature(
dataset_id=private_test_dataset,
df_train=df_train,
df_train_label=get_ensembling_label(
ens_label, train_dataset),
df_to_predict=df_to_predict,
param_dict=lgbm_param_dict,
categorical_features_set=categorical_features_set))
# NEW PARTll
# ONLY THIS PART IS NEW
# LOAD THIS PART FIRST
del df_train, df_train_label
df_feature_list = [x.load_or_create() for x in tqdm(feature_list)]
for ens_label in ensembling_list:
start_time = time.time()
if ens_label == "like":
val_features_df = XGBFoldEnsemblingLike2(
val_dataset).load_or_create()
test_features_df = XGBFoldEnsemblingLike2(
test_dataset).load_or_create()
private_features_df = XGBFoldEnsemblingLike2(
private_test_dataset).load_or_create()
elif ens_label == "retweet":
val_features_df = XGBFoldEnsemblingRetweet2(
val_dataset).load_or_create()
test_features_df = XGBFoldEnsemblingRetweet2(
test_dataset).load_or_create()
private_features_df = XGBFoldEnsemblingRetweet2(
private_test_dataset).load_or_create()
elif ens_label == "reply":
val_features_df = XGBFoldEnsemblingReply2(
val_dataset).load_or_create()
test_features_df = XGBFoldEnsemblingReply2(
test_dataset).load_or_create()
private_features_df = XGBFoldEnsemblingReply2(
private_test_dataset).load_or_create()
elif ens_label == "comment":
val_features_df = XGBFoldEnsemblingComment2(
val_dataset).load_or_create()
test_features_df = XGBFoldEnsemblingComment2(
test_dataset).load_or_create()
private_features_df = XGBFoldEnsemblingComment2(
private_test_dataset).load_or_create()
else:
assert False, "oh oh something went wrong. label not found"
test_features_df.set_index(new_index, inplace=True)
private_features_df.set_index(new_index_private, inplace=True)
xgb_feature_df = pd.concat(
[val_features_df, test_features_df, private_features_df])
df_feature_list.append(xgb_feature_df)
print(f"time: {time.time() - start_time}")
del val_features_df, test_features_df, private_features_df
# check dimensions
len_val = len(df_val)
len_test = len(df_test)
len_private = len(df_private)
for df_feat in df_feature_list:
assert len(df_feat) == (len_val + len_test + len_private), \
f"Blending features are not of dimension expected, len val: {len_val} len test: {len_test}" \
f" len private test: {len_private}\n " \
f"obtained len: {len(df_feat)} of {df_feat.columns[0]}\n"
# split feature dataframe in validation and testing
df_feat_val_list = [df_feat.iloc[:len_val] for df_feat in df_feature_list]
df_feat_test_list = [
df_feat.iloc[len_val:-len_private] for df_feat in df_feature_list
]
df_feat_private_list = [
df_feat.iloc[-len_private:] for df_feat in df_feature_list
]
df_feat_nn_val_list = [
get_nn_prediction(l, val_dataset) for l in nn_labels
]
df_feat_nn_test_list = [
get_nn_prediction(l, test_dataset) for l in nn_labels
]
df_feat_nn_private_list = [
get_nn_prediction(l, private_test_dataset) for l in nn_labels
]
for df_feat_nn_test in df_feat_nn_test_list:
new_index = pd.Series(
df_feat_nn_test.index).map(lambda x: x + len(df_val))
df_feat_nn_test.set_index(new_index, inplace=True)
for df_feat_nn_private in df_feat_nn_private_list:
new_index_private = pd.Series(df_feat_nn_private.index).map(
lambda x: x + len(df_val) + len(df_test))
df_feat_nn_private.set_index(new_index_private, inplace=True)
df_feat_val_list += df_feat_nn_val_list
df_feat_test_list += df_feat_nn_test_list
df_feat_private_list += df_feat_nn_private_list
df_val_to_be_concatenated_list = [df_val
] + df_feat_val_list + [df_val_label]
df_test_to_be_concatenated_list = [df_test] + df_feat_test_list
df_private_to_be_concatenated_list = [df_private] + df_feat_private_list
# creating the new validation set on which we will do meta optimization
df_val = pd.concat(df_val_to_be_concatenated_list, axis=1)
df_test = pd.concat(df_test_to_be_concatenated_list, axis=1)
df_private = pd.concat(df_private_to_be_concatenated_list, axis=1)
# now we are in full meta-model mode
# watchout! they are unsorted now, you got to re-sort the dfs
df_metatrain, df_metaval = train_test_split(df_val,
test_size=0.1,
random_state=16 + 1)
df_metatrain.sort_index(inplace=True)
df_metaval.sort_index(inplace=True)
# split dataframe columns in train and label
col_names_list = [df_feat.columns[0] for df_feat in df_feature_list]
extended_features = df_test.columns
df_metatrain_label = df_metatrain[label]
df_metatrain = df_metatrain[extended_features]
df_metaval_label = df_metaval[label]
df_metaval = df_metaval[extended_features]
for i in range(len(df_metatrain.columns)):
assert df_metatrain.columns[i] == df_test.columns[i], f'You f****d yourself. metatrain col {i}: {df_metatrain.columns[i]}' \
f' test col {i}: {df_test.columns[i]}'
assert df_metatrain.columns[i] == df_private.columns[i], \
f'You f****d yourself. metatrain col {i}: {df_metatrain.columns[i]} private test col {i}: {df_test.columns[i]}'
model_name = "lightgbm_classifier"
kind = LABEL
params = {
'num_leaves': 200.4606708311663,
'learning_rate': 0.02250057258744298,
'max_depth': 47,
'lambda_l1': 3.037842501865099,
'lambda_l2': 1.0,
'colsample_bynode': 0.4,
'colsample_bytree': 0.4,
'bagging_fraction': 0.8,
'bagging_freq': 10,
'max_bin': 3344.071500013681,
'min_data_in_leaf': 10.0
}
LGBM = LightGBM(
objective='binary',
num_threads=-1,
num_iterations=1000,
early_stopping_rounds=15,
**params,
)
# LGBM Training
training_start_time = time.time()
LGBM.fit(X=df_metatrain,
Y=df_metatrain_label,
X_val=df_metaval,
Y_val=df_metaval_label,
categorical_feature=set([]))
print(f"Training time: {time.time() - training_start_time} seconds")
# LGBM Evaluation
evaluation_start_time = time.time()
prauc, rce, conf, max_pred, min_pred, avg = LGBM.evaluate(
df_metaval.to_numpy(), df_metaval_label.to_numpy())
print(
"since I'm lazy I did the local test on the same test on which I did EarlyStopping"
)
print(f"PRAUC:\t{prauc}")
print(f"RCE:\t{rce}")
print(f"TN:\t{conf[0, 0]}")
print(f"FP:\t{conf[0, 1]}")
print(f"FN:\t{conf[1, 0]}")
print(f"TP:\t{conf[1, 1]}")
print(f"MAX_PRED:\t{max_pred}")
print(f"MIN_PRED:\t{min_pred}")
print(f"AVG:\t{avg}")
print(f"Evaluation time: {time.time() - evaluation_start_time} seconds")
# public prediction
prediction(LGBM=LGBM, dataset_id=test_dataset, df=df_test, label=LABEL)
# private prediction
prediction(LGBM=LGBM,
dataset_id=private_test_dataset,
df=df_private,
label=LABEL)
def main():
# Instantiate the parser
parser = argparse.ArgumentParser()
parser.add_argument('label', type=str, help='required argument: label')
args = parser.parse_args()
LABEL = args.label
assert LABEL in ["like", "reply", "retweet", "comment"], "LABEL not valid."
print(f"label is {LABEL}")
features = [
"raw_feature_creator_follower_count",
"raw_feature_creator_following_count",
"raw_feature_engager_follower_count",
"raw_feature_engager_following_count",
"raw_feature_creator_is_verified",
"raw_feature_engager_is_verified",
"raw_feature_engagement_creator_follows_engager",
"tweet_feature_number_of_photo",
"tweet_feature_number_of_video",
"tweet_feature_number_of_gif",
"tweet_feature_number_of_media",
"tweet_feature_is_retweet",
"tweet_feature_is_quote",
"tweet_feature_is_top_level",
"tweet_feature_number_of_hashtags",
"tweet_feature_creation_timestamp_hour",
"tweet_feature_creation_timestamp_week_day",
# "tweet_feature_number_of_mentions",
"tweet_feature_token_length",
"tweet_feature_token_length_unique",
"tweet_feature_text_topic_word_count_adult_content",
"tweet_feature_text_topic_word_count_kpop",
"tweet_feature_text_topic_word_count_covid",
"tweet_feature_text_topic_word_count_sport",
"number_of_engagements_with_language_like",
"number_of_engagements_with_language_retweet",
"number_of_engagements_with_language_reply",
"number_of_engagements_with_language_comment",
"number_of_engagements_with_language_negative",
"number_of_engagements_with_language_positive",
"number_of_engagements_ratio_like",
"number_of_engagements_ratio_retweet",
"number_of_engagements_ratio_reply",
"number_of_engagements_ratio_comment",
"number_of_engagements_ratio_negative",
"number_of_engagements_ratio_positive",
"number_of_engagements_between_creator_and_engager_like",
"number_of_engagements_between_creator_and_engager_retweet",
"number_of_engagements_between_creator_and_engager_reply",
"number_of_engagements_between_creator_and_engager_comment",
"number_of_engagements_between_creator_and_engager_negative",
"number_of_engagements_between_creator_and_engager_positive",
"creator_feature_number_of_like_engagements_received",
"creator_feature_number_of_retweet_engagements_received",
"creator_feature_number_of_reply_engagements_received",
"creator_feature_number_of_comment_engagements_received",
"creator_feature_number_of_negative_engagements_received",
"creator_feature_number_of_positive_engagements_received",
"creator_feature_number_of_like_engagements_given",
"creator_feature_number_of_retweet_engagements_given",
"creator_feature_number_of_reply_engagements_given",
"creator_feature_number_of_comment_engagements_given",
"creator_feature_number_of_negative_engagements_given",
"creator_feature_number_of_positive_engagements_given",
"engager_feature_number_of_like_engagements_received",
"engager_feature_number_of_retweet_engagements_received",
"engager_feature_number_of_reply_engagements_received",
"engager_feature_number_of_comment_engagements_received",
"engager_feature_number_of_negative_engagements_received",
"engager_feature_number_of_positive_engagements_received",
"number_of_engagements_like",
"number_of_engagements_retweet",
"number_of_engagements_reply",
"number_of_engagements_comment",
"number_of_engagements_negative",
"number_of_engagements_positive",
"engager_feature_number_of_previous_like_engagement",
"engager_feature_number_of_previous_reply_engagement",
"engager_feature_number_of_previous_retweet_engagement",
"engager_feature_number_of_previous_comment_engagement",
"engager_feature_number_of_previous_positive_engagement",
"engager_feature_number_of_previous_negative_engagement",
"engager_feature_number_of_previous_engagement",
"engager_feature_number_of_previous_like_engagement_ratio_1",
"engager_feature_number_of_previous_reply_engagement_ratio_1",
"engager_feature_number_of_previous_retweet_engagement_ratio_1",
"engager_feature_number_of_previous_comment_engagement_ratio_1",
"engager_feature_number_of_previous_positive_engagement_ratio_1",
"engager_feature_number_of_previous_negative_engagement_ratio_1",
"engager_feature_number_of_previous_like_engagement_ratio",
"engager_feature_number_of_previous_reply_engagement_ratio",
"engager_feature_number_of_previous_retweet_engagement_ratio",
"engager_feature_number_of_previous_comment_engagement_ratio",
"engager_feature_number_of_previous_positive_engagement_ratio",
"engager_feature_number_of_previous_negative_engagement_ratio",
"engager_feature_number_of_previous_like_engagement_between_creator_and_engager_by_creator",
"engager_feature_number_of_previous_reply_engagement_between_creator_and_engager_by_creator",
"engager_feature_number_of_previous_retweet_engagement_between_creator_and_engager_by_creator",
"engager_feature_number_of_previous_comment_engagement_between_creator_and_engager_by_creator",
"engager_feature_number_of_previous_negative_engagement_between_creator_and_engager_by_creator",
"engager_feature_number_of_previous_positive_engagement_between_creator_and_engager_by_creator",
"engager_feature_number_of_previous_like_engagement_between_creator_and_engager_by_engager",
"engager_feature_number_of_previous_reply_engagement_between_creator_and_engager_by_engager",
"engager_feature_number_of_previous_retweet_engagement_between_creator_and_engager_by_engager",
"engager_feature_number_of_previous_comment_engagement_between_creator_and_engager_by_engager",
"engager_feature_number_of_previous_negative_engagement_between_creator_and_engager_by_engager",
"engager_feature_number_of_previous_positive_engagement_between_creator_and_engager_by_engager",
# "tweet_feature_number_of_previous_like_engagements",
# "tweet_feature_number_of_previous_reply_engagements",
# "tweet_feature_number_of_previous_retweet_engagements",
# "tweet_feature_number_of_previous_comment_engagements",
# "tweet_feature_number_of_previous_positive_engagements",
# "tweet_feature_number_of_previous_negative_engagements",
"creator_feature_number_of_previous_like_engagements_given",
"creator_feature_number_of_previous_reply_engagements_given",
"creator_feature_number_of_previous_retweet_engagements_given",
"creator_feature_number_of_previous_comment_engagements_given",
"creator_feature_number_of_previous_positive_engagements_given",
"creator_feature_number_of_previous_negative_engagements_given",
"creator_feature_number_of_previous_like_engagements_received",
"creator_feature_number_of_previous_reply_engagements_received",
"creator_feature_number_of_previous_retweet_engagements_received",
"creator_feature_number_of_previous_comment_engagements_received",
"creator_feature_number_of_previous_positive_engagements_received",
"creator_feature_number_of_previous_negative_engagements_received",
"engager_feature_number_of_previous_like_engagement_with_language",
"engager_feature_number_of_previous_reply_engagement_with_language",
"engager_feature_number_of_previous_retweet_engagement_with_language",
"engager_feature_number_of_previous_comment_engagement_with_language",
"engager_feature_number_of_previous_positive_engagement_with_language",
"engager_feature_number_of_previous_negative_engagement_with_language",
"engager_feature_knows_hashtag_positive",
"engager_feature_knows_hashtag_negative",
"engager_feature_knows_hashtag_like",
"engager_feature_knows_hashtag_reply",
"engager_feature_knows_hashtag_rt",
"engager_feature_knows_hashtag_comment",
"creator_and_engager_have_same_main_language",
"is_tweet_in_creator_main_language",
"is_tweet_in_engager_main_language",
# "statistical_probability_main_language_of_engager_engage_tweet_language_1",
# "statistical_probability_main_language_of_engager_engage_tweet_language_2",
"creator_and_engager_have_same_main_grouped_language",
"is_tweet_in_creator_main_grouped_language",
"is_tweet_in_engager_main_grouped_language",
# # "hashtag_similarity_fold_ensembling_positive",
# # "link_similarity_fold_ensembling_positive",
# # "domain_similarity_fold_ensembling_positive"
"tweet_feature_creation_timestamp_hour_shifted",
"tweet_feature_creation_timestamp_day_phase",
"tweet_feature_creation_timestamp_day_phase_shifted"
]
label = [f"tweet_feature_engagement_is_{LABEL}"]
train_dataset = "cherry_train"
val_dataset = "cherry_val"
test_dataset = "new_test"
if LABEL in ["like"]:
lgbm_params = like_params.lgbm_get_params()
xgb_params = like_params.xgb_get_params()
elif LABEL in ["reply"]:
lgbm_params = reply_params.lgbm_get_params()
xgb_params = reply_params.xgb_get_params()
elif LABEL in ["retweet"]:
lgbm_params = retweet_params.lgbm_get_params()
xgb_params = retweet_params.xgb_get_params()
elif LABEL in ["comment"]:
lgbm_params = comment_params.lgbm_get_params()
xgb_params = comment_params.xgb_get_params()
else:
assert False, "What?"
categorical_features_set = set([])
# Load train data
# loading_data_start_time = time.time()
# df_train, df_train_label = Data.get_dataset_xgb(train_dataset, features, label)
# print(f"Loading train data time: {loading_data_start_time - time.time()} seconds")
# Load val data
df_val, df_val_label = Data.get_dataset_xgb(val_dataset, features, label)
# Load test data
df_test = Data.get_dataset(features, test_dataset)
new_index = pd.Series(df_test.index).map(lambda x: x + len(df_val))
df_test.set_index(new_index, inplace=True)
# df to be predicted by the lgbm blending feature
df_to_predict = pd.concat([df_val, df_test])
# BLENDING FEATURE DECLARATION
feature_list = []
df_train, df_train_label = get_dataset_xgb_batch(total_n_split=1,
split_n=0,
dataset_id=train_dataset,
X_label=features,
Y_label=label,
sample=0.3)
for lgbm_param_dict in lgbm_params:
start_time = time.time()
feature_list.append(
LGBMEnsemblingFeature(
dataset_id=train_dataset,
df_train=df_train,
df_train_label=df_train_label,
df_to_predict=df_to_predict,
param_dict=lgbm_param_dict,
categorical_features_set=categorical_features_set))
for xgb_param_dict in xgb_params:
start_time = time.time()
df_train, df_train_label = get_dataset_xgb_batch(
total_n_split=1,
split_n=0,
dataset_id=train_dataset,
X_label=features,
Y_label=label,
sample=0.1)
feature_list.append(
XGBEnsembling(
dataset_id=train_dataset,
df_train=df_train,
df_train_label=df_train_label,
df_to_predict=df_to_predict,
param_dict=xgb_param_dict,
))
df_feature_list = [x.load_or_create() for x in feature_list]
# check dimensions
len_val = len(df_val)
for df_feat in df_feature_list:
assert len(df_feat) == (len_val + len(df_test)), \
f"Blending features are not of dimension expected, len val: {len_val} len test: {len(df_test)}\n " \
f"obtained len: {len(df_feat)} of {df_feat.columns[0]}\n"
# split feature dataframe in validation and testing
df_feat_val_list = [df_feat.iloc[:len_val] for df_feat in df_feature_list]
df_feat_test_list = [df_feat.iloc[len_val:] for df_feat in df_feature_list]
df_val_to_be_concatenated_list = [df_val
] + df_feat_val_list + [df_val_label]
df_test_to_be_concatenated_list = [df_test] + df_feat_test_list
# creating the new validation set on which we will do meta optimization
df_val = pd.concat(df_val_to_be_concatenated_list, axis=1)
df_test = pd.concat(df_test_to_be_concatenated_list, axis=1)
# now we are in full meta-model mode
# watchout! they are unsorted now, you got to re-sort the dfs
df_metatrain, df_metaval = train_test_split(df_val, test_size=0.3)
df_metatrain.sort_index(inplace=True)
df_metaval.sort_index(inplace=True)
# split dataframe columns in train and label
col_names_list = [df_feat.columns[0] for df_feat in df_feature_list]
extended_features = features + col_names_list
df_metatrain_label = df_metatrain[label]
df_metatrain = df_metatrain[extended_features]
df_metaval_label = df_metaval[label]
df_metaval = df_metaval[extended_features]
model_name = "lightgbm_classifier"
kind = LABEL
params = {
'num_leaves': 544,
'max_depth': 7,
'lambda_l1': 50.0,
'lambda_l2': 2.841130937148593,
'colsample_bynode': 0.4,
'colsample_bytree': 1.0,
'bagging_fraction': 1.0,
'bagging_freq': 8,
'min_data_in_leaf': 611,
}
LGBM = LightGBM(
objective='binary',
num_threads=-1,
num_iterations=1000,
early_stopping_rounds=15,
**params,
)
# LGBM Training
training_start_time = time.time()
LGBM.fit(X=df_metatrain,
Y=df_metatrain_label,
X_val=df_metaval,
Y_val=df_metaval_label,
categorical_feature=set([]))
print(f"Training time: {time.time() - training_start_time} seconds")
# LGBM Evaluation
evaluation_start_time = time.time()
prauc, rce, conf, max_pred, min_pred, avg = LGBM.evaluate(
df_metaval.to_numpy(), df_metaval_label.to_numpy())
print(
"since I'm lazy I did the local test on the same test on which I did EarlyStopping"
)
print(f"PRAUC:\t{prauc}")
print(f"RCE:\t{rce}")
print(f"TN:\t{conf[0, 0]}")
print(f"FP:\t{conf[0, 1]}")
print(f"FN:\t{conf[1, 0]}")
print(f"TP:\t{conf[1, 1]}")
print(f"MAX_PRED:\t{max_pred}")
print(f"MIN_PRED:\t{min_pred}")
print(f"AVG:\t{avg}")
print(f"Evaluation time: {time.time() - evaluation_start_time} seconds")
tweets = Data.get_feature("raw_feature_tweet_id",
test_dataset)["raw_feature_tweet_id"].array
users = Data.get_feature("raw_feature_engager_id",
test_dataset)["raw_feature_engager_id"].array
# LGBM Prediction
prediction_start_time = time.time()
predictions = LGBM.get_prediction(df_test.to_numpy())
print(f"Prediction time: {time.time() - prediction_start_time} seconds")
# Uncomment to plot feature importance at the end of training
# LGBM.plot_fimportance()
create_submission_file(tweets, users, predictions,
f"{LABEL}_lgbm_blending_submission.csv")