def taxibj_evaluation():
# parameters
DATAPATH = '../data'
T = 48 # number of time intervals in one day
CACHEDATA = True # cache data or NOT
lr = 0.001 # learning rate
len_c = 4 # length of closeness dependent sequence
len_p = 1 # length of peroid dependent sequence
len_t = 0 # length of trend dependent sequence
nb_flow = 2 # there are two types of flows: new-flow and end-flow
# divide data into two subsets: Train & Test
days_test = 7 * 4
len_test = T * days_test
len_val = 2 * len_test
map_height, map_width = 32, 32 # grid size
path_cache = os.path.join(DATAPATH, 'CACHE', '3D-CLoST') # cache path
path_result = 'RET'
path_model = 'MODEL'
if os.path.isdir(path_result) is False:
os.mkdir(path_result)
if os.path.isdir(path_model) is False:
os.mkdir(path_model)
if CACHEDATA and os.path.isdir(path_cache) is False:
os.mkdir(path_cache)
# load data
print("loading data...")
preprocess_name = 'preprocessing_taxibj.pkl'
fname = os.path.join(path_cache,
'TaxiBJ_C{}_P{}_T{}.h5'.format(len_c, len_p, len_t))
if os.path.exists(fname) and CACHEDATA:
X_train_all, Y_train_all, X_train, Y_train, \
X_val, Y_val, X_test, Y_test, mmn, external_dim, \
timestamp_train_all, timestamp_train, timestamp_val, timestamp_test, mask = read_cache(
fname, preprocess_name)
print("load %s successfully" % fname)
else:
X_train_all, Y_train_all, X_train, Y_train, \
X_val, Y_val, X_test, Y_test, mmn, external_dim, \
timestamp_train_all, timestamp_train, timestamp_val, timestamp_test, mask = TaxiBJ.load_data(
T=T, nb_flow=nb_flow, len_closeness=len_c, len_period=len_p, len_trend=len_t, len_test=len_test,
len_val=len_val, preprocess_name=preprocess_name, meta_data=True, datapath=DATAPATH, add_half=True)
if CACHEDATA:
cache(fname, X_train_all, Y_train_all, X_train, Y_train, X_val,
Y_val, X_test, Y_test, external_dim, timestamp_train_all,
timestamp_train, timestamp_val, timestamp_test, mask)
# build model
model = build_model('BJ',
X_train,
Y_train,
conv_filt=64,
kernel_sz=(3, 3, 3),
mask=mask,
lstm=500,
lstm_number=2,
add_external_info=True,
lr=0.001,
save_model_pic=None)
model_fname = 'TaxiBJ.c4.p1.t0.iter7.best.h5'
model.load_weights(os.path.join('../best_models', '3DCLoST', model_fname))
# evaluate
dict_multi_score = multi_step_2D(model, X_test, Y_test, mmn, len_c, step=5)
for i in range(len(dict_multi_score)):
csv_name = os.path.join('results', f'taxibj_step{i+1}.csv')
save_to_csv(dict_multi_score[i], csv_name)
def bikenyc_evaluation():
DATAPATH = '../data'
T = 24 # number of time intervals in one day
CACHEDATA = True # cache data or NOT
lr = 0.001 # learning rate
len_c = 2 # length of closeness dependent sequence
len_p = 0 # length of peroid dependent sequence
len_t = 1 # length of trend dependent sequence
nb_flow = 2
days_test = 10
len_test = T * days_test
len_val = 2 * len_test
map_height, map_width = 16, 8
path_cache = os.path.join(DATAPATH, 'CACHE', '3D-CLoST') # cache path
if CACHEDATA and os.path.isdir(path_cache) is False:
os.mkdir(path_cache)
# load data
print("loading data...")
preprocess_name = 'preprocessing_bikenyc.pkl'
fname = os.path.join(path_cache,
'BikeNYC_C{}_P{}_T{}.h5'.format(len_c, len_p, len_t))
if os.path.exists(fname) and CACHEDATA:
X_train_all, Y_train_all, X_train, Y_train, \
X_val, Y_val, X_test, Y_test, mmn, external_dim, \
timestamp_train_all, timestamp_train, timestamp_val, timestamp_test, mask = read_cache(
fname, preprocess_name)
print("load %s successfully" % fname)
else:
X_train_all, Y_train_all, X_train, Y_train, \
X_val, Y_val, X_test, Y_test, mmn, external_dim, \
timestamp_train_all, timestamp_train, timestamp_val, timestamp_test, mask = BikeNYC.load_data(
T=T, nb_flow=nb_flow, len_closeness=len_c, len_period=len_p, len_trend=len_t, len_test=len_test,
len_val=len_val, preprocess_name=preprocess_name, meta_data=True, datapath=DATAPATH)
if CACHEDATA:
cache(fname, X_train_all, Y_train_all, X_train, Y_train, X_val,
Y_val, X_test, Y_test, external_dim, timestamp_train_all,
timestamp_train, timestamp_val, timestamp_test, mask)
# build model
model = build_model('NY',
X_train,
Y_train,
conv_filt=64,
kernel_sz=(2, 3, 3),
mask=mask,
lstm=350,
lstm_number=2,
add_external_info=True,
lr=0.001,
save_model_pic=None)
model_fname = 'BikeNYC.c2.p0.t1.iter7.best.h5'
model.load_weights(os.path.join('../best_models', '3DCLoST', model_fname))
# evaluate and save results
dict_multi_score = multi_step_2D(model, X_test, Y_test, mmn, len_c, step=5)
for i in range(len(dict_multi_score)):
csv_name = os.path.join('results', f'bikenyc_step{i+1}.csv')
save_to_csv(dict_multi_score[i], csv_name)
def taxibj_evaluation():
# parameters
DATAPATH = '../data'
T = 48 # number of time intervals in one day
CACHEDATA = True # cache data or NOT
lr = 0.0001 # learning rate
len_c = 4 # length of closeness dependent sequence
len_p = 0 # length of peroid dependent sequence
len_t = 0 # length of trend dependent sequence
input_length = len_c + len_p + len_t
num_hidden = 64
filter_size = (3,3)
encoder_length = 4
decoder_length = 6
nb_flow = 2
days_test = 7*4
len_test = T*days_test
len_val = 2*len_test
map_height, map_width = 32, 32
path_cache = os.path.join(DATAPATH, 'CACHE', 'Pred-CNN') # cache path
path_result = 'RET'
path_model = 'MODEL'
if os.path.isdir(path_result) is False:
os.mkdir(path_result)
if os.path.isdir(path_model) is False:
os.mkdir(path_model)
if CACHEDATA and os.path.isdir(path_cache) is False:
os.mkdir(path_cache)
# load data
print("loading data...")
preprocess_name = 'preprocessing_taxibj.pkl'
fname = os.path.join(path_cache, 'TaxiBJ_C{}_P{}_T{}.h5'.format(
len_c, len_p, len_t))
if os.path.exists(fname) and CACHEDATA:
X_train_all, Y_train_all, X_train, Y_train, \
X_val, Y_val, X_test, Y_test, mmn, external_dim, \
timestamp_train_all, timestamp_train, timestamp_val, timestamp_test = read_cache(
fname, preprocess_name)
print("load %s successfully" % fname)
else:
X_train_all, Y_train_all, X_train, Y_train, \
X_val, Y_val, X_test, Y_test, mmn, external_dim, \
timestamp_train_all, timestamp_train, timestamp_val, timestamp_test = TaxiBJ.load_data(
T=T, nb_flow=nb_flow, len_closeness=len_c, len_period=len_p, len_trend=len_t, len_test=len_test,
len_val=len_val, preprocess_name=preprocess_name, meta_data=True, datapath=DATAPATH)
if CACHEDATA:
cache(fname, X_train_all, Y_train_all, X_train, Y_train, X_val, Y_val, X_test, Y_test,
external_dim, timestamp_train_all, timestamp_train, timestamp_val, timestamp_test)
# build model and load weights
model = build_model(input_length, map_height, map_width, nb_flow, encoder_length,
decoder_length, num_hidden, filter_size, lr)
model_fname = 'TaxiBJ.c4.p0.t0.iter0.best.h5'
model.load_weights(os.path.join('../best_models', 'Pred-CNN', model_fname))
# evaluate and save results
dict_multi_score = multi_step_2D(model, X_test, Y_test, mmn, len_c, step=5)
for i in range(len(dict_multi_score)):
csv_name = os.path.join('results', f'taxibj_step{i+1}.csv')
save_to_csv(dict_multi_score[i], csv_name)
fname = os.path.join(path_cache, 'Rome_C{}_P{}_T{}.h5'.format(
len_c, len_p, len_t))
if os.path.exists(fname) and CACHEDATA:
X_train_all, Y_train_all, X_train, Y_train, \
X_val, Y_val, X_test, Y_test, mmn, external_dim, \
timestamp_train_all, timestamp_train, timestamp_val, timestamp_test, mask = read_cache(
fname, preprocess_name)
print("load %s successfully" % fname)
else:
X_train_all, Y_train_all, X_train, Y_train, \
X_val, Y_val, X_test, Y_test, mmn, external_dim, \
timestamp_train_all, timestamp_train, timestamp_val, timestamp_test, mask = carRome.load_data(
T=T, nb_flow=nb_flow, len_closeness=len_c, len_period=len_p, len_trend=len_t, len_test=len_test,
len_val=len_val, preprocess_name=preprocess_name, meta_data=True, holiday_data=True, meteorol_data=False, datapath=DATAPATH, add_half=True)
if CACHEDATA:
cache(fname, X_train_all, Y_train_all, X_train, Y_train, X_val, Y_val, X_test, Y_test,
external_dim, timestamp_train_all, timestamp_train, timestamp_val, timestamp_test, mask)
# build model
model = build_model('BJ', X_train, Y_train, conv_filt=64, kernel_sz=(3,3,3),
mask=mask, lstm=500, lstm_number=2, add_external_info=True,
lr = 0.0001, save_model_pic=None)
## single-step-prediction no TL
nb_epoch = 200
batch_size = 16
hyperparams_name = '3dclost_roma32x32'
fname_param = os.path.join('MODEL', '{}.best.h5'.format(hyperparams_name))
model_checkpoint = ModelCheckpoint(
fname_param, monitor='val_rmse', verbose=0, save_best_only=True, mode='min')
history = model.fit(X_train, Y_train,
epochs=nb_epoch,
def bikenyc_evaluation():
# parameters
DATAPATH = '../data'
T = 24 # number of time intervals in one day
CACHEDATA = True # cache data or NOT
lr = 0.0001 # learning rate
len_c = 4 # length of closeness dependent sequence
len_p = 0 # length of peroid dependent sequence
len_t = 0 # length of trend dependent sequence
input_length = len_c + len_p + len_t
num_hidden = 64
filter_size = (3,3)
encoder_length = 2
decoder_length = 3
nb_flow = 2 # there are two types of flows: new-flow and end-flow
# divide data into two subsets: Train & Test, of which the test set is the
# last 10 days
days_test = 10
len_test = T*days_test
len_val = 2*len_test
map_height, map_width = 16, 8 # grid size
path_cache = os.path.join(DATAPATH, 'CACHE', 'Pred-CNN') # cache path
if CACHEDATA and os.path.isdir(path_cache) is False:
os.mkdir(path_cache)
# load data
print("loading data...")
preprocess_name = 'preprocessing_bikenyc.pkl'
fname = os.path.join(path_cache, 'BikeNYC_C{}_P{}_T{}.h5'.format(
len_c, len_p, len_t))
if os.path.exists(fname) and CACHEDATA:
X_train_all, Y_train_all, X_train, Y_train, \
X_val, Y_val, X_test, Y_test, mmn, external_dim, \
timestamp_train_all, timestamp_train, timestamp_val, timestamp_test = read_cache(
fname, preprocess_name)
print("load %s successfully" % fname)
else:
X_train_all, Y_train_all, X_train, Y_train, \
X_val, Y_val, X_test, Y_test, mmn, external_dim, \
timestamp_train_all, timestamp_train, timestamp_val, timestamp_test = BikeNYC.load_data(
T=T, nb_flow=nb_flow, len_closeness=len_c, len_period=len_p, len_trend=len_t, len_test=len_test,
len_val=len_val, preprocess_name=preprocess_name, meta_data=True, datapath=DATAPATH)
if CACHEDATA:
cache(fname, X_train_all, Y_train_all, X_train, Y_train, X_val, Y_val, X_test, Y_test,
external_dim, timestamp_train_all, timestamp_train, timestamp_val, timestamp_test)
# build model and load weights
model = build_model(input_length, map_height, map_width, nb_flow, encoder_length,
decoder_length, num_hidden, filter_size, lr)
model_fname = 'BikeNYC.c4.p0.t0.iter0.best.h5'
model.load_weights(os.path.join('../best_models', 'Pred-CNN', model_fname))
# evaluate and save results
dict_multi_score = multi_step_2D(model, X_test, Y_test, mmn, len_c, step=5)
for i in range(len(dict_multi_score)):
csv_name = os.path.join('results', f'bikenyc_step{i+1}.csv')
save_to_csv(dict_multi_score[i], csv_name)