def get_dataset_testset_double_than_trainset(data_dir_root):
"""
:param data_dir_root:
:return:
(2018-12-15, when data_dir_root=UCR_TS_Archive_2015)
Number of data set: 45
These data set are:
['ArrowHead', 'CBF', 'ChlorineConcentration', 'CinC_ECG_torso', 'DiatomSizeReduction',
'DistalPhalanxOutlineAgeGroup', 'DistalPhalanxOutlineCorrect', 'DistalPhalanxTW',
'ECG5000', 'ECGFiveDays', 'Earthquakes', 'FaceAll', 'FaceFour', 'FacesUCR', 'FordA', 'FordB',
'Gun_Point', 'HandOutlines', 'InlineSkate', 'InsectWingbeatSound', 'ItalyPowerDemand', 'MALLAT',
'MiddlePhalanxOutlineAgeGroup', 'MiddlePhalanxOutlineCorrect', 'MiddlePhalanxTW', 'MoteStrain',
'Phoneme', 'ShapeletSim', 'SonyAIBORobotSurface', 'SonyAIBORobotSurfaceII', 'StarLightCurves',
'Symbols', 'ToeSegmentation1', 'ToeSegmentation2', 'TwoLeadECG', 'Two_Patterns',
'UWaveGestureLibraryAll', 'WordsSynonyms', 'Worms', 'WormsTwoClass', 'uWaveGestureLibrary_X',
'uWaveGestureLibrary_Y', 'uWaveGestureLibrary_Z', 'wafer', 'yoga']
"""
data_name_list = get_data_name_list(data_dir_root)
res = []
for fname in data_name_list:
datasets = ucr.load_ucr(fname, data_dir_root)
if datasets.test.X.shape[0] >= 2 * datasets.train.X.shape[0]:
res.append(fname)
return res
def get_dataset_testset_double_than_trainset_for_each_class(data_dir_root):
"""
:param data_dir_root:
:return:
(2018-12-15, when data_dir_root=UCR_TS_Archive_2015)
Number of data set: 33
These data set are:
['ArrowHead', 'CBF', 'ChlorineConcentration', 'CinC_ECG_torso', 'DiatomSizeReduction', 'ECG5000',
'ECGFiveDays', 'FacesUCR', 'FordA', 'FordB', 'Gun_Point', 'HandOutlines', 'InlineSkate',
'InsectWingbeatSound', 'ItalyPowerDemand', 'MALLAT', 'MoteStrain', 'ShapeletSim',
'SonyAIBORobotSurface', 'SonyAIBORobotSurfaceII', 'StarLightCurves', 'Symbols',
'ToeSegmentation1', 'TwoLeadECG', 'Two_Patterns', 'UWaveGestureLibraryAll', 'Worms',
'WormsTwoClass', 'uWaveGestureLibrary_X', 'uWaveGestureLibrary_Y', 'uWaveGestureLibrary_Z',
'wafer', 'yoga']
"""
data_name_list = get_data_name_list(data_dir_root)
res = []
for fname in data_name_list:
datasets = ucr.load_ucr(fname, data_dir_root)
distr_train = utils.distribute_y(datasets.train.y)
distr_test = utils.distribute_y(datasets.test.y)
is_pass = True
for key_tr in distr_train.keys():
num_tr = distr_train[key_tr]
num_te = distr_test[key_tr]
if num_te is None or num_te < 2 * num_tr:
is_pass = False
break
if is_pass:
res.append(fname)
return res
def get_dataset_testset_larger_than_trainset(data_dir_root):
"""
:param data_dir_root:
:return:
(2018-12-15, when data_dir_root=UCR_TS_Archive_2015)
Number of data set: 79
These data set are:
['50words', 'Adiac', 'ArrowHead', 'Beef', 'BeetleFly', 'BirdChicken', 'CBF', 'Car',
'ChlorineConcentration', 'CinC_ECG_torso', 'Coffee', 'Computers', 'Cricket_X',
'Cricket_Y', 'Cricket_Z', 'DiatomSizeReduction', 'DistalPhalanxOutlineAgeGroup',
'DistalPhalanxOutlineCorrect', 'DistalPhalanxTW', 'ECG200', 'ECG5000', 'ECGFiveDays',
'Earthquakes', 'FISH', 'FaceAll', 'FaceFour', 'FacesUCR', 'FordA', 'FordB', 'Gun_Point',
'HandOutlines', 'Haptics', 'Herring', 'InlineSkate', 'InsectWingbeatSound', 'ItalyPowerDemand',
'LargeKitchenAppliances', 'Lighting2', 'Lighting7', 'MALLAT', 'Meat', 'MedicalImages',
'MiddlePhalanxOutlineAgeGroup', 'MiddlePhalanxOutlineCorrect', 'MiddlePhalanxTW',
'MoteStrain', 'NonInvasiveFatalECG_Thorax1', 'NonInvasiveFatalECG_Thorax2',
'OSULeaf', 'OliveOil', 'Phoneme', 'Plane', 'ProximalPhalanxTW', 'RefrigerationDevices',
'ScreenType', 'ShapeletSim', 'ShapesAll', 'SmallKitchenAppliances', 'SonyAIBORobotSurface',
'SonyAIBORobotSurfaceII', 'StarLightCurves', 'Strawberry', 'SwedishLeaf', 'Symbols',
'ToeSegmentation1', 'ToeSegmentation2', 'Trace', 'TwoLeadECG', 'Two_Patterns',
'UWaveGestureLibraryAll', 'WordsSynonyms', 'Worms', 'WormsTwoClass', 'synthetic_control',
'uWaveGestureLibrary_X', 'uWaveGestureLibrary_Y', 'uWaveGestureLibrary_Z', 'wafer', 'yoga']
"""
data_name_list = get_data_name_list(data_dir_root)
res = []
for fname in data_name_list:
datasets = ucr.load_ucr(fname, data_dir_root)
if datasets.test.X.shape[0] >= datasets.train.X.shape[0]:
res.append(fname)
return res
def category_dataset_exact_length(dir_data):
data_categories_length = {}
fname_list = ucr.get_data_name_list(dir_data)
for fname in fname_list:
data = ucr.load_ucr(fname, dir_data)
length = data.train.X.shape[1]
if (length in data_categories_length.keys()) is False:
data_categories_length[length] = []
data_categories_length[length].append(fname)
for key in sorted(data_categories_length.keys()):
print(key, data_categories_length[key])
return data_categories_length
def get_data_info(data_dir_root,
data_name_list=None,
out_csv='./dataset_info.csv'):
"""
:param data_dir_root:
:param data_name_list:
:param out_csv:
:return:
"""
if data_name_list is None:
data_name_list = get_data_name_list(data_dir_root)
res_col = [
'DataSet', 'NClass', 'SequenceLength', 'SizeAll', 'SizeTrain',
'SizeTest', 'SizeValid', 'DistributionAll', 'DistributionTrain',
'DistributionTest', 'DistributionValid'
]
res_df = pd.DataFrame(columns=res_col)
for i, fname in enumerate(data_name_list):
print("preprocessing dataset: {}".format(fname))
# load data
data = ucr.load_ucr(fname, data_dir_root)
if data.valid is None:
X_all = np.concatenate([data.train.X, data.test.X], axis=0)
y_all = np.concatenate([data.train.y, data.test.y])
else:
X_all = np.concatenate([data.train.X, data.test.X, data.valid.X],
axis=0)
y_all = np.concatenate([data.train.y, data.test.y, data.valid.y])
# get the information of specific data set
res_df.loc[i, 'DataSet'] = fname
res_df.loc[i, 'NClass'] = len(np.unique(y_all))
res_df.loc[i, 'SequenceLength'] = X_all.shape[1]
res_df.loc[i, 'SizeAll'] = X_all.shape[0]
res_df.loc[i, 'SizeTrain'] = data.train.X.shape[0]
res_df.loc[i, 'SizeTest'] = data.test.X.shape[0]
if data.valid is not None:
res_df.loc[i, 'SizeValid'] = data.valid.X.shape[0]
res_df.loc[i, 'DistributionAll'] = utils.distribute_y_json(y_all)
res_df.loc[i,
'DistributionTrain'] = utils.distribute_y_json(data.train.y)
res_df.loc[i,
'DistributionTest'] = utils.distribute_y_json(data.test.y)
if data.valid is not None:
res_df.loc[i, 'DistributionValid'] = utils.distribute_y_json(
data.valid.y)
res_df.to_csv(out_csv)
def category_dataset_nclass(data_dir_root):
name_list = get_data_name_list(data_dir_root)
names_0_to_10 = []
names_11_to_30 = []
names_greater_30 = []
for fname in name_list:
dataset = ucr.load_ucr(fname, data_dir_root)
n_class = dataset.nclass
if n_class <= 10:
names_0_to_10.append(fname)
elif n_class <= 30:
names_11_to_30.append(fname)
else:
names_greater_30.append(fname)
print("===== Category dataset by the number of class: ")
print("from 0 to 10: ", len(names_0_to_10), names_0_to_10)
print("from 11 to 30: ", len(names_11_to_30), names_11_to_30)
print("greater than 30: ", len(names_greater_30), names_greater_30)
print()
def category_dataset_length(data_dir_root):
name_list = get_data_name_list(data_dir_root)
names_0_to_300 = []
names_301_to_700 = []
names_greater_700 = []
for fname in name_list:
dataset = ucr.load_ucr(fname, data_dir_root)
length = dataset.train.X.shape[1]
if length <= 300:
names_0_to_300.append(fname)
elif length <= 700:
names_301_to_700.append(fname)
else:
names_greater_700.append(fname)
print("===== Category dataset by length: ")
print("from 0 to 300: ", len(names_0_to_300), names_0_to_300)
print("from 301 to 700: ", len(names_301_to_700), names_301_to_700)
print("greater than 700: ", len(names_greater_700), names_greater_700)
print()
def category_dataset_testsize(data_dir_root):
name_list = get_data_name_list(data_dir_root)
names_0_to_300 = []
names_301_to_1000 = []
names_greater_1000 = []
for fname in name_list:
dataset = ucr.load_ucr(fname, data_dir_root)
n = dataset.test.X.shape[0]
if n <= 300:
names_0_to_300.append(fname)
elif n <= 1000:
names_301_to_1000.append(fname)
else:
names_greater_1000.append(fname)
print("===== Category dataset by test size: ")
print("from 0 to 300: ", len(names_0_to_300), names_0_to_300)
print("from 301 to 1000: ", len(names_301_to_1000), names_301_to_1000)
print("greater than 1000: ", len(names_greater_1000), names_greater_1000)
print()
def z_normalize(in_data_dir_root, out_data_dir_root, data_name_list=None):
"""
:param in_data_dir_root:
:param out_data_dir_root:
:param data_name_list:
:return:
"""
if data_name_list is None:
data_name_list = get_data_name_list(in_data_dir_root)
for fname in data_name_list:
X_train, y_train, X_test, y_test = ucr.load_ucr(
fname, in_data_dir_root)
X_train_norm = utils.z_normalize(X_train)
X_test_norm = utils.z_normalize(X_test)
data_train = np.hstack([y_train[:, np.newaxis], X_train_norm])
data_test = np.hstack([y_test[:, np.newaxis], X_test_norm])
out_path = os.path.join(out_data_dir_root, fname)
if os.path.exists(out_path):
shutil.rmtree(out_path)
os.makedirs(out_path)
np.savetxt(os.path.join(out_path, "{}_TRAIN".format(fname)),
data_train,
delimiter=',',
newline="\n")
np.savetxt(os.path.join(out_path, "{}_TEST").format(fname),
data_test,
delimiter=',',
newline="\n")
print("Finish to process dataset {}".format(fname), data_train.shape,
data_test.shape)
def category_dataset_trainsize(data_dir_root):
name_list = get_data_name_list(data_dir_root)
names_0_to_50 = []
names_51_to_100 = []
names_101_to_500 = []
names_greater_500 = []
for fname in name_list:
dataset = ucr.load_ucr(fname, data_dir_root)
n = dataset.train.X.shape[0]
if n <= 50:
names_0_to_50.append(fname)
elif n <= 100:
names_51_to_100.append(fname)
elif n <= 500:
names_101_to_500.append(fname)
else:
names_greater_500.append(fname)
print("===== Category dataset by train size: ")
print("form 0 to 50: ", len(names_0_to_50), names_0_to_50)
print("from 51 to 100: ", len(names_51_to_100), names_51_to_100)
print("from 101 to 500: ", len(names_101_to_500), names_101_to_500)
print("greater than 500: ", len(names_greater_500), names_greater_500)
print()
from data import utils
from data import ucr
if __name__ == '__main__':
DATA_ROOT = '../../dataset/UCR_TS_Archive_2015'
filename = '50words'
datasets = ucr.load_ucr(filename, DATA_ROOT, one_hot=False)
X_train = datasets.train.X
y_train = datasets.train.y
X_test = datasets.test.X
y_test = datasets.test.y
distr = utils.distribute_dataset(X_train, y_train)
print(distr.keys())