def gen_level_aggs(col, updata=False):
feat_path = os.path.join(feats_root,'level_aggs_{}.pkl'.format(col))
if os.path.exists(feat_path) and updata == False:
print('Found ' + feat_path)
else:
print('Generating ' + feat_path)
dfal = get_nominal_dfal()[[col, 'da'] + level_cols]
dmax = dfal.da.max()
dmin = dfal.da.min()
level_agg = None
for da in sorted(dfal.da.unique())[1:]:
da_agg = None
for win_das in [1, 2, 3]:
if da - win_das < dmin:
continue
agg = gen_level_agg_features(dfal, da, win_das, col)
print('Generated {} {} {}'.format(col, da, win_das))
if da_agg is None:
da_agg = agg
else:
da_agg = da_agg.merge(agg, how='outer')
if level_agg is None:
level_agg = da_agg
else:
level_agg = pd.concat([level_agg, da_agg], axis=0)
level_agg.fillna(0, inplace=True)
level_agg, _ = reduce_mem_usage(level_agg)
print(level_agg.shape)
level_agg, _ = reduce_mem_usage(level_agg)
dump_pickle(level_agg, feat_path)
def gen_buy_count(file_name='train'):
data = load_pickle(path=raw_data_path + file_name + '.pkl')
cols = ['user_id', 'item_id', 'item_brand_id', 'second_cate', 'shop_id']
data_select = pd.DataFrame()
if file_name == 'train':
for col in cols:
feature_str = col + '_buy_count'
buy_all = None
for day in data.day.unique():
buy_filter = data.loc[data.day < day, [col, 'is_trade']]
col_buy_count = buy_filter.groupby([col]).sum().iloc[:, 0]
today_data = data.loc[data.day == day, [col]]
today_data[feature_str] = today_data.apply(lambda x: \
col_buy_count[x[col]] if x[col] in col_buy_count.index else -1, axis=1)
buy_all = pd.concat([buy_all, today_data], axis=0)
data_select[feature_str] = buy_all[feature_str]
else:
train_data = load_pickle(path=raw_data_path + 'train' + '.pkl')
for col in cols:
feature_str = col + '_buy_count'
buy_filter = train_data.loc[train_data.day <= 24,
[col, 'is_trade']]
col_buy_count = buy_filter.groupby([col]).sum().iloc[:, 0]
data_select[feature_str] = data.apply(lambda x: \
col_buy_count[x[col]] if x[col] in col_buy_count.index else -1, axis=1)
dump_pickle(data_select, feature_data_path + file_name + '_buy_count')
def gen_user_feature_click_hour(update=True):
"""生成用户对所有分类属性的当前小时点击量
file_name: user_(feature_id)_click_hour.pkl
features:
'user_item_id_click_hour',
'user_item_brand_id_click_hour',
'user_context_page_id_click_hour',
'user_shop_id_click_hour',
"""
data = load_pickle(raw_data_path + 'all_data.pkl')
feature_list=['item_id', 'item_brand_id', 'item_city_id', 'category2_label','item_price_level','item_sales_level',
'item_collected_level', 'item_pv_level',
'context_page_id',
'shop_id', 'shop_review_num_level', 'shop_star_level',]
for feature in tqdm(feature_list):
feature_path = feature_data_path + 'user_'+feature+'_click_hour.pkl'
if os.path.exists(feature_path) and update == False:
print('found '+feature_path)
else:
print('generating '+feature_path)
user_feature_click_day = data.groupby(['user_id', 'day', 'hour', feature]).size(
).reset_index().rename(columns={0: 'user_'+feature+'_click_hour'})
dump_pickle(user_feature_click_day, feature_path)
def gen_feature_click_stats(update=True):
"""生成各个分类属性日点击量的统计特征
file_name: (feature)_click_day_stats.pkl
example:
user_id_click_day_mean 该用户平均每天点击多少次
item_id_click_day_max 该物品单日最高销量
features:
'user_id_click_day_mean', 'user_id_click_day_max', 'user_id_click_day_min',
'item_id_click_day_mean', 'item_id_click_day_max', 'item_id_click_day_min',
'item_brand_id_click_day_mean', 'item_brand_id_click_day_max', 'item_brand_id_click_day_min',
'shop_id_click_day_mean', 'shop_id_click_day_max', 'shop_id_click_day_min',
'context_page_id_click_day_mean', 'context_page_id_click_day_max', 'context_page_id_click_day_min',
'category2_label_click_day_mean', 'category2_label_click_day_max', 'category2_label_click_day_min'
"""
data = load_pickle(raw_data_path + 'all_data.pkl')
stats_feature = ['user_id', 'item_id', 'item_brand_id', 'shop_id']
for feature in tqdm(stats_feature):
feature_path = feature_data_path + feature + '_click_day_stats.pkl'
if os.path.exists(feature_path) and update == False:
print('found ' + feature_path)
else:
print('generating ' + feature_path)
feature_stats = gen_feature_click_day_stats(data, feature)
print(feature_stats.columns)
dump_pickle(feature_stats, feature_path)
def gen_item_stats_feature(updata=False):
feat_path = os.path.join(feats_root, 'item_click_stats.pkl')
if os.path.exists(feat_path) and updata == False:
print('Found ' + feat_path)
else:
dfal = get_nominal_dfal()
dfal = add_item_total_da_click(dfal)
dfal = add_item_da_feature_click(dfal)
print('generating ' + feat_path)
columns_da = list(
filter(lambda x: x.endswith('_click_da'), dfal.columns.values))
columns_ho = list(
filter(lambda x: x.endswith('_click_ho'), dfal.columns.values))
tbar = tqdm(columns_da)
for col in tbar:
tbar.set_description('add_item_click_stats ' + col)
dfal = gen_item_click_stats(dfal, col)
print('add_item_click_stats completed.')
feat_names = list(
filter(lambda x: '_click_da_' in x, dfal.columns.values))
dfal = dfal[feat_names + ['item_id']].drop_duplicates(['item_id'])
print('gen_item_stats_feature shape:', dfal.shape)
dump_pickle(dfal, feat_path)
print('gen_item_stats_feature completed.')
def get_vae_vs_beta(epochs, model, model_name, data_dir, betas):
for beta in betas:
if beta > 1:
beta_str = f"{int(beta):04d}"
else:
beta_str = f"{beta:.1f}"
vae = model(dim_z=cf_latent_dim, dim_x=(cf_img_size,cf_img_size,3),
learning_rate=0.0001, kl_weight=beta)
#vae.compile(optimizer=vae.optimizer, loss = vae.partial_vae_loss)
# always start from the "warmed up beta=1, 20 epochs weights"
sv_path = os.path.join(data_dir,"0001")
vae.load_model(sv_path, 20)
# vae = kcv.K_PCVAE(dim_z=cf_latent_dim, dim_x=(cf_img_size,cf_img_size,3),
# learning_rate=0.0001, kl_weight=beta)
vae.compile(optimizer=vae.optimizer, loss = vae.partial_vae_loss)
train_history = vae.fit(train_dataset,epochs=epochs,
verbose=0, validation_data=test_dataset)
#, initial_epoch = 11 )
history = train_history.history
ut.dump_pickle(os.path.join(data_dir,f"history{model_name}_{beta_str}.pkl"), (history,betas,epochs))
sv_path = os.path.join(data_dir,f"{beta_str}")
make_dir(sv_path)
print('save model')
vae.save_model(sv_path, epochs)
def overtrain_vae(model, model_name, data_dir, params, epochs):
make_dir(data_dir)
vae = model(dim_z=params['z_dim'],
dim_x=params['x_dim'],
learning_rate=0.0001,
kl_weight=params['kl_weight'])
loss = vae.partial_vae_loss
vae.compile(optimizer=vae.optimizer, loss=loss)
train_history = vae.fit(train_dataset,
epochs=epochs,
verbose=1,
validation_data=test_dataset)
#, initial_epoch = 11 )
history = train_history.history
filename = f"overtrain-{model_name}-kl_weight{params['kl_weight']:03d}.pkl"
ut.dump_pickle(os.path.join(data_dir, filename), (history, params))
sv_path = os.path.join(data_dir, f"kl_weight{params['kl_weight']:03d}")
make_dir(sv_path)
print('save model')
vae.save_model(sv_path, epochs)
def denote_direction(input_path, output_dir):
data_dsc = utils.load_pickle(input_path)
data_dsc.loc[:, "fut_ret_direction"] = np.nan
is_pos = data_dsc.loc[:, "fut_ret"] > 0
data_dsc.loc[is_pos, "fut_ret_direction"] = 1
data_dsc.loc[~is_pos, "fut_ret_direction"] = -1
utils.dump_pickle(data_dsc, os.path.join(output_dir, "data_dsc.pkl"))
def load_data(start_day=23, end_day=26, load_test=False):
"""
读取基本表拼接后的数据
test表load_test = True
"""
if load_test == True:
trans_train_path = feature_data_path + 'trans_test_' + str(
start_day) + '_' + str(end_day) + '.pkl'
raw_train_path = raw_data_path + 'test.pkl'
else:
trans_train_path = feature_data_path + 'trans_train_' + str(
start_day) + '_' + str(end_day) + '.pkl'
raw_train_path = raw_data_path + 'train.pkl'
if os.path.exists(trans_train_path):
print('found ' + trans_train_path)
train = pickle.load(open(trans_train_path, 'rb'))
else:
print('generating ' + trans_train_path)
train = load_pickle(raw_train_path)
train = addTime(train)
train = train[(train.clickDay >= start_day)
& (train.clickDay <= end_day)]
train = addAd(train)
train = addPosition(train)
train = addAppCategories(train)
train = addUserInfo(train)
dump_pickle(train, trans_train_path)
return train
def gen_user_search_count(file_name):
data = load_pickle(path=raw_data_path + file_name + '.pkl')
data = data.loc[:, [
'user_id', 'item_id', 'shop_id', 'day', 'hour', 'second_cate'
]]
data_select = pd.DataFrame()
#聚类一下
user_day_search = data.groupby(['user_id', 'day']).count().iloc[:, 0]
#获取每个样本的,user_id,day组成的索引，以索引聚类后的数据
x = data.loc[:, ('user_id', 'day')].values
k = user_day_search.loc[[tuple(i) for i in x]]
data_select['user_day_search'] = k.values
user_hour_search = data.groupby(['user_id', 'day', 'hour']).count().iloc[:,
0]
x = data.loc[:, ('user_id', 'day', 'hour')].values
k = user_hour_search.loc[[tuple(i) for i in x]]
data_select['user_hour_search'] = k.values
user_day_item_search = data.groupby(['user_id', 'day',
'item_id']).count().iloc[:, 0]
x = data.loc[:, ('user_id', 'day', 'item_id')].values
k = user_day_item_search.loc[[tuple(i) for i in x]]
data_select['user_day_item_search'] = k.values
user_hour_item_search = data.groupby(['user_id', 'day', 'hour',
'item_id']).count().iloc[:, 0]
x = data.loc[:, ('user_id', 'day', 'hour', 'item_id')].values
k = user_hour_item_search.loc[[tuple(i) for i in x]]
data_select['user_hour_item_search'] = k.values
user_day_shop_search = data.groupby(['user_id', 'day',
'shop_id']).count().iloc[:, 0]
x = data.loc[:, ('user_id', 'day', 'shop_id')].values
k = user_day_shop_search.loc[[tuple(i) for i in x]]
data_select['user_day_shop_search'] = k.values
user_hour_shop_search = data.groupby(['user_id', 'day', 'hour',
'shop_id']).count().iloc[:, 0]
x = data.loc[:, ('user_id', 'day', 'hour', 'shop_id')].values
k = user_hour_shop_search.loc[[tuple(i) for i in x]]
data_select['user_hour_shop_search'] = k.values
user_day_catesearch = data.groupby(['user_id', 'day',
'second_cate']).count().iloc[:, 0]
x = data.loc[:, ('user_id', 'day', 'second_cate')].values
k = user_day_catesearch.loc[[tuple(i) for i in x]]
data_select['user_day_cate_search'] = k.values
user_hour_cate_search = data.groupby(
['user_id', 'day', 'hour', 'second_cate']).count().iloc[:, 0]
x = data.loc[:, ('user_id', 'day', 'hour', 'second_cate')].values
k = user_hour_cate_search.loc[[tuple(i) for i in x]]
data_select['user_hour_cate_search'] = k.values
dump_pickle(data_select,
feature_data_path + file_name + '_user_search_count')
def main():
parse = argparse.ArgumentParser()
parse.add_argument('-A', '--A', type=float, default=0.55, help='A')
parse.add_argument('-B', '--B', type=float, default=1.5, help='B')
args = parse.parse_args()
data_path = 'data/deeplearning_data/xml_data/'
train_pid_label = load_pickle(data_path + 'train_label.pkl')
index_label = load_pickle('data/baseline_data/xml_data/all_labels.pkl')
baseline_inv_prop_file = 'data/baseline_data/xml_data/inv_prop.txt'
train_label = train_pid_label.values()
train_label = np.concatenate(train_label).tolist()
label_frequency = dict(Counter(train_label))
labels, fre = zip(*label_frequency.iteritems())
fre = np.array(fre)
N = len(train_pid_label)
C = (math.log(N) - 1) * (args.B + 1)**args.A
inv_prop = 1 + C * (fre + args.B)**(-args.A)
inv_prop_dict = dict(zip(labels, inv_prop.tolist()))
dump_pickle(inv_prop_dict, data_path + 'inv_prop_dict.pkl')
#
# for baseline inv propensity
with open(baseline_inv_prop_file, 'w') as df:
for l_ in index_label[:-1]:
df.write(str(inv_prop_dict[l_]))
df.write('\n')
df.write(str(inv_prop_dict[index_label[-1]]))
def gen_category_predict_rank(update=True):
'''生成实际类别在预测类别里的排序
file_name: category_predict_rank.pkl
features: category_predict_rank
'''
all_data = load_pickle(raw_data_path + 'all_data.pkl')
feature_path = feature_data_path + 'category_predict_rank.pkl'
if os.path.exists(feature_path) and update == False:
print('found ' + feature_path)
else:
print('generating ' + feature_path)
all_data['category_predict_rank'] = all_data.apply(
lambda row: get_category_predict_rank(
row['item_category_list'], row['predict_category_property']),
axis=1)
all_data['category_3'] = all_data.apply(
lambda row: get_category_3_predict_rank(
row['item_category_list'], row['predict_category_property']),
axis=1)
all_data = all_data[['category_predict_rank', 'category_3']]
dump_pickle(all_data, feature_path)
def gen_property_sim(update=True):
'''生成实际属性与预测属性的相似度
file_name: property_sim.pkl
features: property_sim
'''
all_data = load_pickle(raw_data_path + 'all_data.pkl')
feature_path = feature_data_path + 'property_sim.pkl'
if os.path.exists(feature_path) and update == False:
print('found ' + feature_path)
else:
print('generating ' + feature_path)
all_data['property_sim'] = all_data.apply(
lambda row: get_property_sim(row['item_category_list'], row[
'item_property_list'], row['predict_category_property']),
axis=1)
all_data = all_data[[
'property_sim',
]]
dump_pickle(all_data, feature_path)
def gen_hist_cvr_smooth(start_day,end_day, key, alpha=0.25):
train_data = load_pickle(raw_data_path+'train.pkl')
test_date = load_pickle(raw_data_path+'test.pkl')
data = train_data.append(test_date)
del train_data,test_date
gc.collect()
data = addTime(data)
data = addAd(data)
data = addPosition(data)
ID_hist_cvr = None
for day in tqdm(np.arange(start_day,end_day+1)):
feature_path = feature_data_path + key +'_histcvr_smooth_day_'+str(day)+'.pkl'
if os.path.exists(feature_path):
print('found '+feature_path)
else:
print('generating '+feature_path)
dfCvr = data[data.clickDay < day]
dfCvr = pd.get_dummies(dfCvr, columns=['label'], prefix='label')
dfCvr = dfCvr.groupby([key], as_index=False).sum()
dfCvr[key+'_cvr'] = (dfCvr['label_1'] + alpha) / (dfCvr['label_0'] + dfCvr['label_1'] + alpha*2)
#dfCvr['clickDay'] = day
sub_data = pd.merge(data.loc[data.clickDay==day,['clickDay',key]],dfCvr[[key,key+'_cvr']],'left',on=[key,])
sub_data.drop_duplicates(['clickDay',key],inplace=True)
sub_data.sort_values(['clickDay',key],inplace=True)
dump_pickle(sub_data[['clickDay',key,key+'_cvr']],feature_path)
def gen_user_feature_click_hour():
"""生成用户对所有分类属性的当前小时点击量
"""
data = load_pickle(raw_data_path + 'all_data_4567.pkl')
feature_list = [
'category2_label',
'category3_label',
'shop_id',
'item_id',
'item_brand_id',
'context_page_id',
'item_price_level_bin',
'item_sales_level_bin',
'item_property_topic_k_15',
]
for feature in tqdm(feature_list):
feature_path = feature_data_path + '_2_1_' + 'user_' + feature + '_click_hour.pkl'
if os.path.exists(feature_path):
print('found ' + feature_path)
else:
print('generating ' + feature_path)
user_feature_click_hour = data.groupby(
['user_id', 'day', 'hour',
feature]).size().reset_index().rename(
columns={0: 'user_' + feature + '_click_hour'})
dump_pickle(user_feature_click_hour, feature_path)
def comparing_with_ground_truth(tops, txt_infos, k):
utils.dump_pickle("result.pkl", tops)
gt = utils.get_pickle("datasets/qst1_w4/gt_corresps.pkl")
hypo = utils.get_pickle("result.pkl")
mapAtK = metrics.mapk(gt, hypo, k)
print("\nMap@ " + str(k) + " is " + str(mapAtK))
bbs_gt = np.asarray(
utils.get_groundtruth("datasets/qst1_w4/text_boxes.pkl")).squeeze()
bbs_predicted = [[painting.boundingxy for painting in txt_info]
for txt_info in txt_infos]
mean_iou = utils.get_mean_IoU(bbs_gt, bbs_predicted)
print("Mean Intersection over Union: ", mean_iou)
texts_gt = utils.get_gt_text("datasets/qst1_w4")
texts_predicted = [[painting.text for painting in txt_info]
for txt_info in txt_infos]
with open('results.txt', 'w') as f:
for item in texts_predicted:
f.write("%s\n" % item)
mean_lev = utils.compute_lev(texts_gt, texts_predicted)
print(texts_predicted)
print("\n")
print(texts_gt)
print("Mean Levenshtein distance: ", mean_lev)
def gen_bow_features_for_pool(pools, pool_idx, image_dir, feature_file_dir):
train_files = []
val_files = []
test_files = []
pool = pools['data'][str(pool_idx)]
for path in pool['train_files']:
full_path = os.path.join(image_dir, path)
train_files.append(full_path)
for path in pool['val_files']:
full_path = os.path.join(image_dir, path)
val_files.append(full_path)
for path in pool['test_files']:
full_path = os.path.join(image_dir, path)
test_files.append(full_path)
train_bow_features, val_bow_features, test_bow_features = extract_BOW_features(
train_files, val_files, test_files)
features = {
'train_features': train_bow_features,
'val_features': val_bow_features,
'test_features': test_bow_features,
'pool_idx': pool_idx
}
filepath = get_feature_file_path(pools, pool_idx, feature_file_dir)
dump_pickle(features, filepath)
return
def gen_tricks(start_day, end_day):
"""
生成trick,first_diff,last_diff，install2click，根据gloabl_index拼接
"""
train_data = load_pickle(raw_data_path + 'train.pkl')
test_data = load_pickle(raw_data_path + 'test.pkl')
actions = load_pickle(raw_data_path + 'user_app_actions.pkl')
data = train_data.append(test_data)
del train_data, test_data
data = addTime(data)
data = addAd(data)
for day in tqdm(np.arange(start_day, end_day + 1)):
feature_path = feature_data_path + 'tricks_day_' + str(day) + '.pkl'
if os.path.exists(feature_path):
print('found ' + feature_path)
else:
print('generating ' + feature_path)
df = data.loc[data.clickDay == day]
df = add_trick(df)
df = add_diff(df)
df = add_install2click(df, day, actions)
dump_pickle(
df[[
'global_index', 'trick', 'first_diff', 'last_diff',
'install2click'
]], feature_path)
def gen_feature_click_day_hour(update=True):
'''
计算feature=['user_id', 'item_id', 'item_brand_id', 'shop_id', 'user_gender_id', 'context_page_id',
'user_occupation_id', 'user_age_level']的点击量
计算的是每天每小时
文件名：[feature]_click_hour.pkl
'''
all_data = load_pickle(raw_data_path + 'all_data_4567.pkl')
for feature in tqdm([
'user_id', 'item_id', 'item_brand_id', 'category2_label',
'category3_label', 'context_page_id', 'shop_id',
'item_property_topic_k_15'
]):
feature_path = feature_data_path + '_2_7_' + feature + '_click_day_hour.pkl' # 要存放的目录
if os.path.exists(feature_path) and update == False:
print('found ' + feature_path)
else:
print('generating ' + feature_path)
feature_click_day_hour = all_data.groupby(
[feature, 'day', 'hour']).size().reset_index().rename(
columns={0: feature + '_click_hour'})
dump_pickle(feature_click_day_hour, feature_path) # 存储
def linear_regression(train, test, cols_x, col_y, output_dir):
reg = LinearRegression()
X_train = train.loc[:, cols_x].copy()
y_train = train.loc[:, col_y].copy()
X_test = test.loc[:, cols_x].copy()
y_test = test.loc[:, col_y].copy()
X_train.replace(np.nan, 0.0, inplace=True)
X_test.replace(np.nan, 0.0, inplace=True)
X_train = X_train.abs()
y_train = y_train.abs()
X_test = X_test.abs()
y_test = y_test.abs()
# res = np.correlate(X_train.loc[:, cols_x[0]], X_train.loc[:, cols_x[1]])
# print(res)
reg.fit(X_train, y_train)
print(reg.coef_)
yhat_test = reg.predict(X_test)
utils.dump_pickle(yhat_test, os.path.join(output_dir,
"scale_yhat_test.pkl"))
print("insample R2: ", reg.score(X_train, y_train))
print("outofsample R2: ", reg.score(X_test, y_test))
def gen_user_start_installed_cateA():
"""
计算用户初始安装的各大类app的的数量
拼接键['userID',]
"""
user_install = load_pickle(raw_data_path + 'user_installedapps.pkl')
app_cate = pd.read_csv(raw_data_path + 'app_categories.csv')
app_cate['cate_a'] = app_cate.appCategory.apply(lambda x: x // 100
if x > 100 else x)
user_install = user_install.merge(app_cate, 'left', 'appID')
for cate_a in tqdm(app_cate.cate_a.unique()):
feature_path = feature_data_path + 'user_start_installed_cate_' + str(
cate_a) + '.pkl'
if os.path.exists(feature_path):
print('found ' + feature_path)
else:
print('generating ' + feature_path)
user_install_cate = user_install[user_install.cate_a == cate_a][[
'userID', 'cate_a'
]]
user_install_cate.rename(
columns={'cate_a': 'user_start_install_cate_' + str(cate_a)},
inplace=True)
user_install_cate = user_install_cate.groupby(
'userID', as_index=False).sum()
dump_pickle(user_install_cate, feature_path)
def gen_ID_global_sum_count(
last_day=27,
stats_features=['positionID', 'creativeID', 'appID', 'adID',
'userID']):
train = load_pickle(raw_data_path + 'train.pkl')
test = load_pickle(raw_data_path + 'test.pkl')
data = train.append(test)
data = addTime(data)
data = data[data.clickDay <= last_day]
del train, test
gc.collect()
data = addAd(data)
data = addPosition(data)
data = addAppCategories(data)
for feature in tqdm(stats_features):
feature_path = feature_data_path + 'global_count_' + feature + '_lastday' + str(
last_day) + '.pkl'
if os.path.exists(feature_path):
print('found ' + feature_path)
#continue
print('generating ' + feature_path)
feature_count_sum = pd.DataFrame(
data.groupby(feature).size()).reset_index().rename(
columns={0: feature + '_sum_count'})
dump_pickle(feature_count_sum, feature_path)
def run_graph_generate(args):
print("graph_generate")
generate_args_base = {
"sizes": args["cluster_sizes"],
"p_in": args["p"],
"p_out": args["q"],
"seed": args["seed"],
"cull_disconnected": args["cull_disconnected"],
"connect_disconnected": args["connect_disconnected"],
"generator_type": args["generator_type"],
"out_path": None,
"visualize": False,
}
graphs = {}
num_graphs = args["num_graphs"]
for i in range(num_graphs):
if i == 0 or (i+1) % 100 == 0 or i == (num_graphs - 1):
print(f"graph {i+1}/{num_graphs}")
generate_args = generate_args_base.copy()
if args.get('verbose', False):
print(f"{i}: {generate_args}")
graph = generate_appm.main(generate_args)
graph_id = str(uuid.uuid4())
graphs[graph_id] = {'args': generate_args, 'graph': graph }
out_path = (f"{args['results_base']}"
f"/{datetime.now().strftime(TIMESTAMP_FORMAT)}.pk")
dump_pickle(graphs, out_path)
def gen_hist_cvr_smooth(start_da, end_da, key, alpha=0.25):
dfal = get_nominal_dfal()
dfal = dfal.loc[dfal.da <= end_da, [key, 'da', 'is_trade']]
gc.collect()
for da in tqdm(np.arange(start_da, end_da + 1)):
feat_path = os.path.join(
feats_root, key + '_hist_cvr_smooth_da_' + str(da) + '.pkl')
if os.path.exists(feat_path):
print('found ' + feat_path)
else:
print('generating ' + feat_path)
dfcv = dfal.copy().loc[dfal.da < da]
dfcv.is_trade = dfcv.is_trade.apply(int)
dfcv = pd.get_dummies(dfcv, columns=['is_trade'], prefix='label')
dfcv = dfcv.groupby([key], as_index=False).sum()
dfcv[key + '_cvr'] = (dfcv['label_1'] + alpha) / (
dfcv['label_0'] + dfcv['label_1'] + alpha * 2)
result = pd.merge(dfal.loc[dfal.da == da, ['da', key]],
dfcv.loc[:, [key, key + '_cvr']],
'left',
on=[
key,
])
result.drop_duplicates(['da', key], inplace=True)
result.sort_values(['da', key], inplace=True)
dump_pickle(result.loc[:, ['da', key, key + '_cvr']], feat_path)
def gen_dfal():
dump_nominal_file = os.path.join(utils.cache_root, 'dfda_nominal.pkl')
dump_textual_file = os.path.join(utils.cache_root, 'dfda_textual.pkl')
if not os.path.exists(dump_nominal_file):
tr = pd.read_csv('./input/round1_ijcai_18_train_20180301.txt',
sep=' ',
dtype={'is_trade': np.uint8})
tr.is_trade = tr.is_trade.astype(np.int8)
te = pd.read_csv('./input/round1_ijcai_18_test_b_20180418.txt',
sep=' ')
da = pd.concat([tr, te], axis=0)
da = utils.add_time_fields(da)
for col in utils.nominal_cate_cols + utils.identity_cols:
da[col] = LabelEncoder().fit_transform(da[col])
for col in utils.ordinal_cate_cols:
levels = sorted(da[col].unique())
da[col] = da[col].apply(lambda x: levels.index(x)).astype(np.uint8)
del da['context_id']
del da['context_timestamp']
del da['ts']
da, _ = utils.reduce_mem_usage(da)
utils.dump_pickle(da[utils.textual_cols], dump_textual_file)
utils.dump_pickle(da.drop(utils.textual_cols, axis=1),
dump_nominal_file)
print('gen dfal ok.')
def gen_user_search_time(file_name):
'''
#用当次搜索距离当天第一次搜索该商品时间差
#用当次搜索距离当天第最后一次搜索该商品时间差
#用当次搜索距离当天第一次搜索该店铺时间差
#用当次搜索距离当天第最后一次搜索该店铺时间差
#用当次搜索距离当天第一次搜索该品牌时间差
#用当次搜索距离当天第最后一次搜索该品牌时间差
#用当次搜索距离当天第一次搜索该类目时间差
#用当次搜索距离当天第最后一次搜索该类目时间差
'''
data_select = pd.DataFrame()
data = load_pickle(path=raw_data_path + file_name + '.pkl')
cols = ['item_id','shop_id', 'item_brand_id','second_cate']
for col in cols:
data_filter = data[['user_id', col,'day','context_timestamp']].groupby(['user_id', col,'day'])
max_time = data_filter.agg(max)
min_time = data_filter.agg(min)
x = data.loc[:, ('user_id', col, 'day')].values
m = max_time.loc[[tuple(i) for i in x]]
n = min_time.loc[[tuple(i) for i in x]]
data_select['sub_maxtime_'+col] = data['context_timestamp'].values - np.squeeze(m.values)
data_select['sub_mintime_'+col] = data['context_timestamp'].values - np.squeeze(n.values)
data_select['sub_maxtime_'+col] = data_select['sub_maxtime_'+col].apply(lambda x: x.total_seconds())
data_select['sub_mintime_'+col] = data_select['sub_mintime_'+col].apply(lambda x: x.total_seconds())
dump_pickle(data_select, feature_data_path +file_name + '_user_search_time')
def gen_user_basic_info(file_name='train', test_day=24):
data_select = pd.DataFrame()
data = load_pickle(path=raw_data_path + file_name + '.pkl')
data_select['user_id'] = data['user_id']
data_select['user_gender_id'] = data['user_gender_id']
data_select['user_age_level'] = data['user_age_level']
data_select['user_occupation_id'] = data['user_occupation_id']
data_select['user_star_level'] = data['user_star_level']
#用户搜索时间划分，上午/下午/晚上/凌晨
data_select['is_morning'] = (data['hour'].values >=
8) & (data['hour'].values <= 12)
data_select['is_afternoon'] = (data['hour'].values >
12) & (data['hour'].values <= 17)
data_select['is_evening'] = (data['hour'].values >
17) & (data['hour'].values <= 23)
data_select['is_before_dawn'] = (data['hour'].values < 8)
if file_name == 'train':
'''
为了后面的抽样，这里先加上is_trade，训练时记得要删去
'''
data_select['is_trade'] = data['is_trade']
dump_pickle(data_select,
feature_data_path + file_name + '_user_basic_info')
def add_context_cate(data):
#得到类别和属性组合后的个数
context_cate_cols_path = raw_data_path + 'context_cate_cols.pkl'
if os.path.exists(context_cate_cols_path):
print("found " + context_cate_cols_path)
cols = load_pickle(context_cate_cols_path)
cols = list(map(lambda x: x[0], cols))
else:
#cate_dict, cate_cnt, _, _ = search_category_explore(data)
cols = gen_sorted_search_cate_property(data)
cols = list(map(lambda x: x[0], cols))
dump_pickle(cols, context_cate_cols_path)
feature_path = feature_data_path + 'context_cate_property_feat.pkl'
data.cate_cols = data.predict_category_property.apply(
lambda x: str_to_cate_cols(x))
col_index = 0
#当前商品的类别和属性拼接后是否在前00名
for col in tqdm(cols[:300]):
data[col] = data.cate_cols.apply(lambda x: 1 if col in x else 0)
#if col_index % 200 == 0 and col_index > 100:
# dump_pickle(data[['instance_id']+cols[:col_index+1]], feature_path)
col_index += 1
dump_pickle(data[['instance_id'] + cols[:300]], feature_path)
return data
def gen_shop_da_feature_click(updata=False):
"""生成用户相关所有数据的每天点击统计量"""
dfal = get_nominal_dfal()
stats_feat = [
'item_category_list', 'item_brand_id', 'item_city_id',
'user_gender_id', 'user_occupation_id', 'item_price_level',
'item_sales_level', 'item_collected_level', 'item_pv_level',
'user_age_level', 'user_star_level', 'context_page_id', 'item_id',
'user_id'
]
tbar = tqdm(stats_feat)
for feat in tbar:
feat_path = os.path.join(feats_root, 'shop_' + feat + '_click_da.pkl')
if os.path.exists(feat_path) and updata == False:
tbar.set_description('Found {:>60}'.format(
os.path.basename(feat_path)))
else:
tbar.set_description('Generating {:>60}'.format(
os.path.basename(feat_path)))
shop_feat_click_da = dfal.groupby(
['shop_id', 'da', feat]).size().reset_index().rename(
columns={0: 'agg_shop_%s_click_da' % feat})
dump_pickle(shop_feat_click_da, feat_path)
print('gen_shop_da_feature_click completed.')
def gen_category(file_name='train'):
data = load_pickle(path=raw_data_path + file_name + '.pkl')
item_cate_col = list(data.item_category_list)
item_cate = list(map(lambda x: x.split(';'), item_cate_col))
data['second_cate'] = list(map(lambda x: x[1], item_cate))
dump_pickle(data, path=raw_data_path + file_name + '.pkl')
