def main(outfile=None, min_count=None, aggregate=None):
""" Main function for training and evaluating AAE methods on MDP data """
print("Loading data from", DATA_PATH)
playlists = playlists_from_slices(DATA_PATH, n_jobs=4)
print("Unpacking json data...")
if aggregate is not None:
aggregate =['artist_name', 'track_name', 'album_name']
print("Using aggegated metadata {}".format(aggregate))
else:
print("Aggrgate={}".fomat(aggregate))
print("Using title only")
bags_of_tracks, pids, side_info = unpack_playlists(playlists, aggregate)
del playlists
bags = Bags(bags_of_tracks, pids, side_info)
log("Whole dataset:", logfile=outfile)
log(bags, logfile=outfile)
train_set, dev_set, y_test = prepare_evaluation(bags,
n_items=N_ITEMS,
min_count=min_count)
log("Train set:", logfile=outfile)
log(train_set, logfile=outfile)
log("Dev set:", logfile=outfile)
log(dev_set, logfile=outfile)
# THE GOLD (put into sparse matrix)
y_test = lists2sparse(y_test, dev_set.size(1)).tocsr(copy=False)
# the known items in the test set, just to not recompute
x_test = lists2sparse(dev_set.data, dev_set.size(1)).tocsr(copy=False)
for model in MODELS:
log('=' * 78, logfile=outfile)
log(model, logfile=outfile)
# Training
model.train(train_set)
# Prediction
y_pred = model.predict(dev_set)
# Sanity-fix #1, make sparse stuff dense, expect array
if sp.issparse(y_pred):
y_pred = y_pred.toarray()
else:
y_pred = np.asarray(y_pred)
# Sanity-fix, remove predictions for already present items
y_pred = remove_non_missing(y_pred, x_test, copy=False)
# Evaluate metrics
results = evaluate(y_test, y_pred, METRICS, batch_size=1000)
log("-" * 78, logfile=outfile)
for metric, stats in zip(METRICS, results):
log("* {}: {} ({})".format(metric, *stats), logfile=outfile)
log('=' * 78, logfile=outfile)
def main(outfile=None, min_count=None):
""" Main function for training and evaluating AAE methods on Reuters data """
print("Loading data from", DATA_PATH)
bags = Bags.load_tabcomma_format(DATA_PATH, unique=True)
log("Whole dataset:", logfile=outfile)
log(bags, logfile=outfile)
train_set, dev_set, y_test = prepare_evaluation(bags,
min_count=min_count)
log("Train set:", logfile=outfile)
log(train_set, logfile=outfile)
log("Dev set:", logfile=outfile)
log(dev_set, logfile=outfile)
# THE GOLD (put into sparse matrix)
y_test = lists2sparse(y_test, dev_set.size(1)).tocsr(copy=False)
# the known items in the test set, just to not recompute
x_test = lists2sparse(dev_set.data, dev_set.size(1)).tocsr(copy=False)
for model in MODELS:
log('=' * 78, logfile=outfile)
log(model, logfile=outfile)
# Training
model.train(train_set)
# Prediction
y_pred = model.predict(dev_set)
# Sanity-fix #1, make sparse stuff dense, expect array
if sp.issparse(y_pred):
y_pred = y_pred.toarray()
else:
y_pred = np.asarray(y_pred)
# Sanity-fix, remove predictions for already present items
y_pred = remove_non_missing(y_pred, x_test, copy=False)
# Evaluate metrics
results = evaluate(y_test, y_pred, METRICS)
log("-" * 78, logfile=outfile)
for metric, stats in zip(METRICS, results):
log("* {}: {} ({})".format(metric, *stats), logfile=outfile)
log('=' * 78, logfile=outfile)
def main():
parser = argparse.ArgumentParser()
parser.add_argument(
'--model',
type=str,
defaule='aae',
# All possible method should appear here
choices=['cm', 'svd', 'ae', 'aae', 'mlp'],
help="Specify the model to use [aae]")
parser.add_argument('--epochs',
type=int,
default=20,
help="Specify the number of training epochs [50]")
parser.add_argument('--hidden',
type=int,
default=200,
help="Number of hidden units [100]")
parser.add_argument('--no-title',
action='store_false',
default=True,
dest='use_title',
help="Do not use the playlist titles")
parser.add_argument('--max-items',
type=int,
default=75000,
help="Limit the max number of considered items")
parser.add_argument(
'--vocab-size',
type=int,
default=50000,
help="Limit the max number of distinct condition words")
parser.add_argument('-j',
'--jobs',
type=int,
default=4,
help="Number of jobs for data loading [4].")
parser.add_argument('-o',
'--outfile',
default="submission.csv",
type=str,
help="Write submissions to this path")
parser.add_argument('--use-embedding',
default=False,
action='store_true',
help="Use embedding (SGNS GoogleNews) [false]")
parser.add_argument('--dont-aggregate',
action='store_false',
dest='aggregate',
default=True,
help="Aggregate track metadata as side info input")
parser.add_argument('--debug',
action='store_true',
default=False,
help="Activate debug mode, run only on small sample")
parser.add_argument(
'-x',
'--exclude',
type=argparse.FileType('r'),
default=None,
help="Path to file with slice filenames to exclude for training")
parser.add_argument(
'--dev',
type=str,
default=None,
help='Path to dev set, use in combination with (-x, --exclude)')
parser.add_argument('--no-idf',
action='store_false',
default=True,
dest='use_idf',
help="Do **not** use idf re-weighting")
parser.add_argument('--lr',
type=float,
default=0.001,
help="Initial learning rate [0.001]")
parser.add_argument('--code',
type=int,
default=100,
help="Code dimension [50]")
args = parser.parse_args()
# Either exclude and dev set, or no exclude and test set
assert (args.dev is None) == (args.exclude is None)
if args.dev is not None:
print("Making submission for dev set:", args.dev)
assert os.path.isfile(args.dev)
# Dump args into submission file
if os.path.exists(args.outfile) and \
input("Path '{}' exists. Overwrite? [y/N]"
.format(args.outfile)) != 'y':
exit(-1)
with open(args.outfile, 'w') as out:
print('#', args, file=out)
if args.use_embedding:
print("Loading embedding:", W2V_PATH)
vectors = KeyedVectors.load_word2vec_format(W2V_PATH,
binary=W2V_IS_BINARY)
else:
vectors = None
# Create the model as specified by command line args
# Count-based never uses title
# Decoding recommender always uses title
tfidf_params = {'max_features': args.vocab_size, 'use_idf': args.use_idf}
model = {
'cm':
Countbased(),
'svd':
SVDRecommender(use_title=args.use_title),
'ae':
AAERecommender(use_title=args.use_title,
adversarial=False,
n_hidden=args.hidden,
n_code=args.code,
n_epochs=args.epochs,
embedding=vectors,
lr=args.lr,
tfidf_params=tfidf_params),
'aae':
AAERecommender(
use_title=args.use_title,
adversarial=True,
n_hidden=args.hidden,
n_code=args.code,
n_epochs=args.epochs,
gen_lr=args.lr,
reg_lr=args.lr, # same gen and reg lrs
embedding=vectors,
tfidf_params=tfidf_params),
'mlp':
DecodingRecommender(n_epochs=args.epochs,
n_hidden=args.hidden,
embedding=vectors,
tfidf_params=tfidf_params)
}[args.model]
track_attrs = TRACK_INFO if args.aggregate else None
if args.exclude is not None:
# Dev set case, exclude dev set data
exclude = [line.strip() for line in args.exclude]
else:
# Real submission case, do not exclude any training data
exclude = None
# = Training =
print("Loading data from {} using {} jobs".format(DATA_PATH, args.jobs))
playlists = playlists_from_slices(DATA_PATH,
n_jobs=args.jobs,
debug=args.debug,
without=exclude)
print("Unpacking playlists")
train_set = Bags(*unpack_playlists(playlists, aggregate=track_attrs))
print("Building vocabulary of {} most frequent items".format(
args.max_items))
vocab, __counts = train_set.build_vocab(max_features=args.max_items,
apply=False)
train_set = train_set.apply_vocab(vocab)
print("Training set:", train_set, sep='\n')
print("Training for {} epochs".format(args.epochs))
try:
model.train(train_set)
except KeyboardInterrupt:
print("Training interrupted by keyboard, pass.")
# Not required anymore
del train_set
# = Predictions =
if args.dev is not None:
print("Loading and unpacking DEV set")
data, index2playlist, side_info = unpack_playlists(
load(args.dev), aggregate=track_attrs)
else:
print("Loading and unpacking test set")
data, index2playlist, side_info = unpack_playlists(
load(TEST_PATH), aggregate=track_attrs)
test_set = Bags(data, index2playlist, side_info)
# Apply same vocabulary as in training
test_set = test_set.apply_vocab(vocab)
print("Test set:", test_set, sep='\n')
pred = model.predict(test_set)
if sp.issparse(pred):
pred = pred.toarray()
else:
pred = np.asarray(pred)
print("Scaling and removing non-missing items")
pred = remove_non_missing(pred, test_set.tocsr(), copy=False)
index2trackid = {v: k for k, v in vocab.items()}
print("Making submission:", args.outfile)
make_submission(pred, index2playlist, index2trackid, outfile=args.outfile)
print("Success.")
print("Make sure to verify the submission format via", VERIFY_SCRIPT)
def main(outfile=None, min_count=None, aggregate=None):
""" Main function for training and evaluating AAE methods on MDP data """
print("Loading data from", DATA_PATH)
playlists = playlists_from_slices(DATA_PATH, n_jobs=4)
print("Unpacking json data...")
bags_of_tracks, pids, side_info = unpack_playlists_for_models_concatenated(
playlists)
del playlists
bags = Bags(data=bags_of_tracks, owners=pids, owner_attributes=side_info)
if args.compute_mi:
from sklearn.metrics import mutual_info_score
print("Computing MI")
X = bags.build_vocab(min_count=args.min_count,
max_features=None).tocsr()
C = X.T @ X
print("(Pairwise) mutual information:",
mutual_info_score(None, None, contingency=C))
# Exit in this case
print("Bye.")
exit(0)
log("Whole dataset:", logfile=outfile)
log(bags, logfile=outfile)
train_set, dev_set, y_test = prepare_evaluation(bags,
n_items=N_ITEMS,
min_count=min_count)
log("Train set:", logfile=outfile)
log(train_set, logfile=outfile)
log("Dev set:", logfile=outfile)
log(dev_set, logfile=outfile)
# THE GOLD (put into sparse matrix)
y_test = lists2sparse(y_test, dev_set.size(1)).tocsr(copy=False)
# the known items in the test set, just to not recompute
x_test = lists2sparse(dev_set.data, dev_set.size(1)).tocsr(copy=False)
for model in MODELS:
log('=' * 78, logfile=outfile)
log(model, logfile=outfile)
log(model.model_params, logfile=outfile)
# Training
model.train(train_set)
print("training finished")
# Prediction
y_pred = model.predict(dev_set)
print("prediction finished")
print(" prediction sparse?:", sp.issparse(y_pred))
# Sanity-fix #1, make sparse stuff dense, expect array
if sp.issparse(y_pred):
y_pred = y_pred.toarray()
else:
y_pred = np.asarray(y_pred)
print("remove non-missing:")
# Sanity-fix, remove predictions for already present items
y_pred = remove_non_missing(y_pred, x_test, copy=False)
print("evaluate:")
# Evaluate metrics
results = evaluate(y_test, y_pred, METRICS, batch_size=500)
print("metrics: ")
log("-" * 78, logfile=outfile)
for metric, stats in zip(METRICS, results):
log("* {}: {} ({})".format(metric, *stats), logfile=outfile)
log('=' * 78, logfile=outfile)
def main(outfile=None, min_count=None, drop=1):
""" Main function for training and evaluating AAE methods on Reuters data """
print("Loading data from", DATA_PATH)
bags = Bags.load_tabcomma_format(DATA_PATH, unique=True)
if args.compute_mi:
from aaerec.utils import compute_mutual_info
print("[MI] Dataset: Reuters")
print("[MI] min Count:", min_count)
tmp = bags.build_vocab(min_count=min_count, max_features=None)
mi = compute_mutual_info(tmp,
conditions=None,
include_labels=True,
normalize=True)
with open('mi.csv', 'a') as mifile:
print('Reuters', min_count, mi, sep=',', file=mifile)
print("=" * 78)
exit(0)
log("Whole dataset:", logfile=outfile)
log(bags, logfile=outfile)
train_set, dev_set, y_test = prepare_evaluation(bags,
min_count=min_count,
drop=drop)
log("Train set:", logfile=outfile)
log(train_set, logfile=outfile)
log("Dev set:", logfile=outfile)
log(dev_set, logfile=outfile)
# THE GOLD (put into sparse matrix)
y_test = lists2sparse(y_test, dev_set.size(1)).tocsr(copy=False)
# the known items in the test set, just to not recompute
x_test = lists2sparse(dev_set.data, dev_set.size(1)).tocsr(copy=False)
for model in MODELS:
log('=' * 78, logfile=outfile)
log(model, logfile=outfile)
# Training
model.train(train_set)
# Prediction
y_pred = model.predict(dev_set)
# Sanity-fix #1, make sparse stuff dense, expect array
if sp.issparse(y_pred):
y_pred = y_pred.toarray()
else:
y_pred = np.asarray(y_pred)
# Sanity-fix, remove predictions for already present items
y_pred = remove_non_missing(y_pred, x_test, copy=False)
# Evaluate metrics
results = evaluate(y_test, y_pred, METRICS)
log("-" * 78, logfile=outfile)
for metric, stats in zip(METRICS, results):
log("* {}: {} ({})".format(metric, *stats), logfile=outfile)
log('=' * 78, logfile=outfile)
