def latent_sim_features(base_path,
log,
examples,
latent_path=None,
keys=KEYS,
sizes=SIZES,
redo=False):
name = 'latent_sim_features'
if latent_path is None:
latent_path = base_path
path = Path(base_path + 'features/' + name + '.fthr')
if path.is_file() and not redo:
features = load_feather(path)
features = features[features.session_id.isin(
examples.session_id.unique())]
examples = copy_features(examples, features)
else:
examples, cols = create_features(log,
examples,
latent_path=latent_path,
keys=keys,
sizes=sizes)
examples = reduce_mem_usage(examples, cols=cols)
write_feather(examples[['session_id', 'impressions'] + list(cols)],
path)
#examples[['session_id','impressions','label','step'] + list(cols)].to_csv( base_path + 'features/' + name + '.csv' )
print_col_list(cols)
return examples
def time_features(base_path,
log,
examples,
preprocessed_path=PREPROCESSED_FOLDER,
redo=False):
name = 'time_features'
path = Path(base_path + 'features/' + name + '.fthr')
if path.is_file() and not redo:
features = load_feather(path)
features = features[features.session_id.isin(
examples.session_id.unique())]
examples = copy_features(examples, features)
else:
examples, cols = create_features(log,
examples,
preprocessed_path=preprocessed_path)
examples = reduce_mem_usage(examples, cols=cols)
write_feather(examples[['session_id', 'impressions'] + list(cols)],
path)
#examples[['session_id','impressions','label','step'] + list(cols)].to_csv( base_path + 'features/' + name + '.csv' )
print_col_list(cols)
return examples
def pop_features(base_path,
log,
examples,
hidden=False,
min_pop=None,
train_only=False,
redo=False):
name = 'pop_features'
if hidden:
name += '_hidden'
if min_pop is not None:
name += '_mp' + str(min_pop)
if train_only:
name += '_trainonly'
path = Path(base_path + 'features/' + name + '.fthr')
if path.is_file() and not redo:
features = load_feather(path)
features = features[features.session_id.isin(
examples.session_id.unique())]
examples = copy_features(examples, features)
else:
examples, cols = create_features(log,
examples,
hidden=hidden,
min_pop=min_pop,
train_only=train_only)
examples = reduce_mem_usage(examples)
write_feather(examples[['session_id', 'impressions'] + list(cols)],
path)
#examples[['session_id','impressions','prices','label'] + list(cols)].to_csv( base_path + 'features/' + name + '.csv' )
print_col_list(cols)
return examples
def meta_features(base_path,
meta_path,
log,
examples,
latent='d2v',
latent_size=16,
redo=False):
name = 'meta_features'
if latent == None:
name += '_all'
else:
name += '_' + str(latent_size)
path = Path(base_path + 'features/' + name + '.fthr')
if path.is_file() and not redo:
features = load_feather(path)
features = features[features.session_id.isin(
examples.session_id.unique())]
examples = copy_features(examples, features)
else:
examples, cols = create_features(meta_path,
log,
examples,
latent_prefix=latent,
latent_size=latent_size)
examples = reduce_mem_usage(examples)
write_feather(examples[['session_id', 'impressions'] + list(cols)],
path)
#examples[['session_id','impressions','prices','label'] + list(cols)].to_csv( base_path + 'features/' + name + '.csv' )
print_col_list(cols)
return examples
def crawl_features(base_path, crawl_path, log, examples, redo=False):
name = 'crawl_features'
path = Path( base_path + 'features/' + name + '.fthr' )
if path.is_file() and not redo:
features = load_feather( path )
features = features[features.session_id.isin( examples.session_id.unique() )]
examples = copy_features( examples, features )
else:
examples, cols = create_features( crawl_path, log, examples )
examples = reduce_mem_usage(examples)
write_feather( examples[['session_id','impressions'] + list(cols)], path )
#examples[['session_id','impressions','prices','label'] + list(cols)].to_csv( base_path + 'features/' + name + '.csv' )
print_col_list( cols )
return examples
def session_features(base_path, log, examples, price_path=None, crawl_path=CRAWL_FOLDER, poi_path=POI_FOLDER, redo=False):
name = 'session_features'
if price_path is None:
price_path = base_path
path = Path( base_path + 'features/' + name + '.fthr' )
if path.is_file() and not redo:
features = load_feather( path )
features = features[features.session_id.isin( examples.session_id.unique() )]
examples = copy_features( examples, features )
else:
examples, cols = create_features( log, examples, price_path=price_path, crawl_path=crawl_path, poi_path=poi_path )
examples = reduce_mem_usage(examples, cols=cols)
write_feather( examples[['session_id','impressions'] + list(cols)], path )
#examples[['session_id','impressions','label','step'] + list(cols)].to_csv( base_path + 'features/' + name + '.csv' )
print_col_list( cols )
return examples
def list_context_features(base_path, log, examples, shifts=SHIFTS, redo=False):
name = 'list_context_features_' + str(shifts)
path = Path(base_path + 'features/' + name + '.fthr')
if path.is_file() and not redo:
features = load_feather(path)
features = features[features.session_id.isin(
examples.session_id.unique())]
examples = copy_features(examples, features)
else:
examples, cols = create_features(log, examples, shifts=shifts)
examples = reduce_mem_usage(examples)
write_feather(examples[['session_id', 'impressions'] + list(cols)],
path)
#examples[['session_id','impressions','prices','label','position'] + list(cols)].to_csv( base_path + 'features/' + name + '.csv' )
print_col_list(cols)
return examples