def setUpClass(cls):
master_seed(SEED)
# generating synthetic data
x, y = make_classification(
n_samples=SAMPLE_SIZE,
n_features=NUM_FEATURES,
n_informative=NUM_CLASSES,
n_redundant=0,
n_classes=NUM_CLASSES,
n_clusters_per_class=1,
)
x_max = np.max(x, axis=0)
x_min = np.min(x, axis=0)
x = scale_normalize(x, x_min, x_max)
n_train = int(np.floor(SAMPLE_SIZE * 0.8))
x_train = np.array(x[:n_train], dtype=np.float32)
y_train = np.array(y[:n_train], dtype=np.long)
x_test = np.array(x[n_train:], dtype=np.float32)
y_test = np.array(y[n_train:], dtype=np.long)
data_dict = get_synthetic_dataset_dict(SAMPLE_SIZE, NUM_CLASSES,
NUM_FEATURES)
dc = DataContainer(data_dict, get_data_path())
dc.x_train = x_train
dc.y_train = y_train
dc.x_test = x_test
dc.y_test = y_test
# training Extra Tree classifier
classifier = ExtraTreeClassifier(
criterion='gini',
splitter='random',
)
cls.mc = ModelContainerTree(classifier, dc)
cls.mc.fit()
accuracy = cls.mc.evaluate(dc.x_test, dc.y_test)
logger.info('Accuracy on test set: %f', accuracy)
def main():
parser = ap.ArgumentParser()
parser.add_argument('-s',
'--size',
type=int,
required=True,
help='the number of sample size')
parser.add_argument('-f',
'--features',
type=int,
required=True,
help='the number of features')
parser.add_argument('-c',
'--classes',
type=int,
default=2,
help='the number of classes')
parser.add_argument(
'-i',
'--iteration',
type=int,
default=MAX_ITERATIONS,
help='the number of iterations that the experiment will repeat')
parser.add_argument('-e',
'--epoch',
type=int,
required=True,
help='the number of max epochs for training')
parser.add_argument('-v',
'--verbose',
action='store_true',
default=False,
help='set logger level to debug')
parser.add_argument('-l',
'--savelog',
action='store_true',
default=False,
help='save logging file')
parser.add_argument('-w',
'--overwrite',
action='store_true',
default=False,
help='overwrite the existing file')
args = parser.parse_args()
sample_size = args.size
num_features = args.features
num_classes = args.classes
max_iterations = args.iteration
max_epochs = args.epoch
verbose = args.verbose
save_log = args.savelog
overwrite = args.overwrite
# set logging config. Run this before logging anything!
dname = f'SyntheticS{sample_size}F{num_features}C{num_classes}'
set_logging(LOG_NAME, dname, verbose, save_log)
print('[{}] Start experiment on {}...'.format(LOG_NAME, dname))
logger.info('Start at :%s', get_time_str())
logger.info('RECEIVED PARAMETERS:')
logger.info('dataset :%s', dname)
logger.info('train size :%d', sample_size)
logger.info('num features:%d', num_features)
logger.info('num classes :%d', num_classes)
logger.info('iterations :%d', max_iterations)
logger.info('max_epochs :%d', max_epochs)
logger.info('verbose :%r', verbose)
logger.info('save_log :%r', save_log)
logger.info('overwrite :%r', overwrite)
result_file = name_handler(os.path.join(
'save', f'{LOG_NAME}_{dname}_i{max_iterations}'),
'csv',
overwrite=overwrite)
adv_file = name_handler(os.path.join('save',
f'{LOG_NAME}_{dname}_AdvExamples'),
'csv',
overwrite=overwrite)
adv_file = open(adv_file, 'w')
adv_file.write(','.join(TITLE_ADV) + '\n')
res_file = open(result_file, 'w')
res_file.write(','.join(TITLE_RESULTS) + '\n')
for i in range(max_iterations):
since = time.time()
# generate synthetic data
x, y = make_classification(
n_samples=sample_size + 1000,
n_features=num_features,
n_informative=num_classes,
n_redundant=0,
n_classes=num_classes,
n_clusters_per_class=1,
)
# normalize data
x_max = np.max(x, axis=0)
x_min = np.min(x, axis=0)
# NOTE: Carlini attack expects the data in range [0, 1]
# x_mean = np.mean(x, axis=0)
# x = scale_normalize(x, x_min, x_max, x_mean)
x = scale_normalize(x, x_min, x_max)
# training/test split
# NOTE: test set has fixed size
x_train = np.array(x[:-1000], dtype=np.float32)
y_train = np.array(y[:-1000], dtype=np.long)
x_test = np.array(x[-1000:], dtype=np.float32)
y_test = np.array(y[-1000:], dtype=np.long)
# create data container
data_dict = get_synthetic_dataset_dict(sample_size + 1000, num_classes,
num_features)
dc = DataContainer(data_dict, get_data_path())
# assign data manually
dc.x_train = x_train
dc.y_train = y_train
dc.x_test = x_test
dc.y_test = y_test
experiment(i, dc, max_epochs, adv_file, res_file)
time_elapsed = time.time() - since
print('Completed {} [{}/{}]: {:d}m {:2.1f}s'.format(
dname, i + 1, max_iterations, int(time_elapsed // 60),
time_elapsed % 60))
adv_file.close()
res_file.close()