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)
Exemple #3
0
map_height, map_width = 32, 32  # grid size

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_rome.pkl'
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)
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...")
fname = os.path.join(path_cache,
                     'TaxiNYC_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, 'preprocessing_taxinyc.pkl')
    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 = TaxiNYC.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='preprocessing_taxinyc.pkl', 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)

# print("\n days (test): ", [v[:8] for v in timestamp_test[0::T]])
print('=' * 10)
Exemple #5
0
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)
Exemple #6
0
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)