def read_PBMC_crossdataset_remove_protein(subset,
return_ecc,
filtered_genes=False,
override=False,
verbose=False,
remove_protein=['CD4', 'CD8']):
remove_protein = sorted(
[i.lower() for i in as_tuple(remove_protein, t=string_types)])
preprocessed_path = os.path.join(
DATA_DIR, 'PBMCcross_%s_%s_no%s_preprocessed' %
('ecc' if return_ecc else '8k', subset +
('' if filtered_genes else 'full'), ''.join(
[i.lower() for i in remove_protein])))
if override and os.path.exists(preprocessed_path):
shutil.rmtree(preprocessed_path)
if not os.path.exists(preprocessed_path):
os.mkdir(preprocessed_path)
# ******************** preprocessed ******************** #
if not os.path.exists(os.path.join(preprocessed_path, 'X')):
ds = read_PBMC_crossdataset_ecc_8k(subset,
return_ecc,
filtered_genes,
override=override,
verbose=verbose)
X = ds['X'][:]
X_row = ds['X_row']
X_col = ds['X_col']
y = ds['y']
y_col = ds['y_col']
remove_ids = [
i for i, j in enumerate(y_col)
if standardize_protein_name(j).lower() in remove_protein
]
remain_ids = [i for i in range(len(y_col)) if i not in remove_ids]
y_col = y_col[remain_ids]
y = y[:, remain_ids]
save_to_dataset(preprocessed_path,
X,
X_col,
y,
y_col,
rowname=X_row,
print_log=verbose)
# ******************** return ******************** #
ds = Dataset(preprocessed_path, read_only=True)
return ds
def read_centenarian(override=False, verbose=False):
r""" Data used in:
"Single-cell transcriptomics reveals expansion of cytotoxic CD4 T-cells in
supercentenarians" | bioRxiv [WWW Document], n.d.
URL https://www.biorxiv.org/content/10.1101/643528v1 (accessed 5.21.20).
"""
download_path = os.path.join(DOWNLOAD_DIR, "SuperCentenarian_original")
if not os.path.exists(download_path):
os.mkdir(download_path)
preprocessed_path = os.path.join(DATA_DIR, 'SuperCentenarian_preprocessed')
if override and os.path.exists(preprocessed_path):
shutil.rmtree(preprocessed_path)
if not os.path.exists(preprocessed_path):
os.mkdir(preprocessed_path)
# ******************** preprocessed ******************** #
if not os.path.exists(os.path.join(preprocessed_path, 'X')):
labels = download_file(
outpath=os.path.join(download_path, os.path.basename(_URL[2])),
url=_URL[2],
)
data = []
with gzip.open(labels, mode='rb') as f:
for line in f:
line = str(line, 'utf-8').strip().split('\t')
assert line[1][:2] == line[2]
data.append(line)
labels = np.array(data)
y_col = sorted(set(labels[:, 1]))
y = one_hot(np.array([y_col.index(i) for i in labels[:, 1]]),
len(y_col)).astype('float32')
y_col = np.array(y_col)
#
raw = download_file(
outpath=os.path.join(download_path, os.path.basename(_URL[0])),
url=_URL[0],
)
if verbose:
print("Unzip and reading raw UMI ...")
X_raw, cell_id1, gene_id1 = read_gzip_csv(raw)
#
norm = download_file(
outpath=os.path.join(download_path, os.path.basename(_URL[1])),
url=_URL[1],
)
if verbose:
print("Unzip and reading log-norm UMI ...")
X_norm, cell_id2, gene_id2 = read_gzip_csv(norm)
#
assert np.all(cell_id1 == cell_id2) and np.all(labels[:, 0] == cell_id1) and \
np.all(gene_id1 == gene_id2)
assert X_raw.shape[0] == X_norm.shape[0] == len(cell_id1) and \
X_raw.shape[1] == X_norm.shape[1] == len(gene_id1)
#
if verbose:
print(f"Saving data to {preprocessed_path} ...")
save_to_dataset(preprocessed_path,
X=X_raw,
X_col=gene_id1,
y=y,
y_col=y_col,
rowname=cell_id1,
print_log=verbose)
with MmapArrayWriter(os.path.join(preprocessed_path, 'X_log'),
shape=(0, X_norm.shape[1]),
dtype='float32',
remove_exist=True) as f:
for s, e in batching(batch_size=2048, n=X_norm.shape[0]):
f.write(X_norm[s:e])
# ====== read preprocessed data ====== #
ds = Dataset(preprocessed_path, read_only=True)
return ds
def read_PBMCeec(subset='ly',
override=False,
verbose=True,
filtered_genes=True) -> SingleCellOMIC:
subset = str(subset).strip().lower()
if subset not in ('ly', 'my', 'full'):
raise ValueError(
"subset can only be 'ly'-lymphoid and 'my'-myeloid or 'full'")
if subset in ('my', 'full'):
raise NotImplementedError("No support for subset: %s - PBMCecc" %
subset)
download_path = os.path.join(DOWNLOAD_DIR, "PBMCecc_%s_original" % subset)
if not os.path.exists(download_path):
os.mkdir(download_path)
preprocessed_path = os.path.join(
DATA_DIR,
f"PBMCecc_{subset}_{'filtered' if filtered_genes else 'all'}_preprocessed"
)
if override and os.path.exists(preprocessed_path):
shutil.rmtree(preprocessed_path)
if verbose:
print(f"Override preprocessed data at path {preprocessed_path}")
if not os.path.exists(preprocessed_path):
os.mkdir(preprocessed_path)
# ******************** preprocessed ******************** #
if not os.path.exists(os.path.join(preprocessed_path, 'X')):
# ====== full ====== #
if subset == 'full':
raise NotImplementedError
# ====== ly and my ====== #
else:
url = str(
base64.decodebytes(_URL_LYMPHOID if subset ==
'ly' else _URL_MYELOID), 'utf-8')
base_name = os.path.basename(url)
path = os.path.join(download_path, base_name)
download_file(filename=path, url=url, override=False)
# ====== extract the data ====== #
data = np.load(path)
X_row = data['X_row']
y = data['y']
y_col = data['y_col']
if filtered_genes:
X = data['X_var']
X_col = data['X_var_col']
else:
X = data['X_full']
X_col = data['X_full_col']
cell_types = np.array(['ly'] * X.shape[0])
# ====== save everything ====== #
X, X_col = remove_allzeros_columns(matrix=X,
colname=X_col,
print_log=verbose)
assert X.shape == (len(X_row), len(X_col))
assert len(X) == len(y)
assert y.shape[1] == len(y_col)
with open(os.path.join(preprocessed_path, 'cell_types'), 'wb') as f:
pickle.dump(cell_types, f)
save_to_dataset(preprocessed_path,
X,
X_col,
y,
y_col,
rowname=X_row,
print_log=verbose)
# ******************** read preprocessed data ******************** #
ds = Dataset(preprocessed_path, read_only=True)
sco = SingleCellOMIC(X=ds['X'],
cell_id=ds['X_row'],
gene_id=ds['X_col'],
omic='transcriptomic',
name=f"ecc{subset}{'' if filtered_genes else 'all'}")
sco.add_omic('proteomic', X=ds['y'], var_names=ds['y_col'])
progenitor = ds['cell_types']
sco.add_omic(
'progenitor',
X=np.array([(1, 0) if i == 'my' else (0, 1) for i in progenitor],
dtype=np.float32),
var_names=np.array(['myeloid', 'lymphoid']),
)
return sco
def read_PBMC8k(subset='full',
override=False,
verbose=True,
filtered_genes=True,
return_arrays=False) -> SingleCellOMIC:
subset = str(subset).strip().lower()
if subset not in ('ly', 'my', 'full'):
raise ValueError(
"subset can only be 'ly'-lymphoid and 'my'-myeloid or 'full'")
# prepare the path
download_path = os.path.join(DOWNLOAD_DIR, f"PBMC8k_{subset}_original")
if not os.path.exists(download_path):
os.mkdir(download_path)
preprocessed_path = os.path.join(
DATA_DIR,
f"PBMC8k_{subset}_{'filtered' if filtered_genes else 'all'}_preprocessed"
)
if override and os.path.exists(preprocessed_path):
shutil.rmtree(preprocessed_path)
if not os.path.exists(preprocessed_path):
os.mkdir(preprocessed_path)
# ******************** preprocessed ******************** #
if len(os.listdir(preprocessed_path)) == 0:
# ====== pbmc 8k ====== #
if subset == 'full':
ly = read_PBMC8k('ly',
filtered_genes=filtered_genes,
return_arrays=True)
my = read_PBMC8k('my',
filtered_genes=filtered_genes,
return_arrays=True)
url = str(base64.decodebytes(_URL_PBMC8k), 'utf-8')
base_name = os.path.basename(url)
path = os.path.join(download_path, base_name)
download_file(filename=path, url=url, override=False)
# load data
data = np.load(path)
X = data['X']
X_row = data['X_row']
X_col = data['X_col'].tolist()
y = data['y']
y_col = data['y_col'].tolist()
# merge all genes from my and ly subset
all_genes = set(ly['X_col'].tolist() + my['X_col'].tolist())
all_genes = sorted([X_col.index(i) for i in all_genes])
# same for protein
all_proteins = set(ly['y_col'].tolist() + my['y_col'].tolist())
all_proteins = sorted([y_col.index(i) for i in all_proteins])
#
X = X[:, all_genes]
y = y[:, all_proteins]
X_col = np.array(X_col)[all_genes]
y_col = np.array(y_col)[all_proteins]
cell_types = np.array(
['ly' if i in ly['X_row'] else 'my' for i in X_row])
# ====== pbmc ly and my ====== #
else:
url = str(
base64.decodebytes(_URL_LYMPHOID if subset ==
'ly' else _URL_MYELOID), 'utf-8')
base_name = os.path.basename(url)
path = os.path.join(download_path, base_name)
download_file(filename=path, url=url, override=False)
# extract the data
data = np.load(path)
X_row = data['X_row']
y = data['y']
y_col = data['y_col']
if filtered_genes:
X = data['X_filt']
X_col = data['X_filt_col']
else:
X = data['X_full']
X_col = data['X_full_col']
cell_types = np.array([subset] * X.shape[0])
# ====== save everything ====== #
X, X_col = remove_allzeros_columns(matrix=X,
colname=X_col,
print_log=verbose)
assert X.shape == (len(X_row), len(X_col))
assert len(X) == len(y)
assert y.shape[1] == len(y_col)
with open(os.path.join(preprocessed_path, 'cell_types'), 'wb') as f:
pickle.dump(cell_types, f)
save_to_dataset(preprocessed_path,
X,
X_col,
y,
y_col,
rowname=X_row,
print_log=verbose)
# ******************** read preprocessed data ******************** #
ds = Dataset(preprocessed_path, read_only=True)
if return_arrays:
return ds
sco = SingleCellOMIC(X=ds['X'],
cell_id=ds['X_row'],
gene_id=ds['X_col'],
omic='transcriptomic',
name=f"8k{subset}{'' if filtered_genes else 'all'}")
sco.add_omic('proteomic', X=ds['y'], var_names=ds['y_col'])
progenitor = ds['cell_types']
sco.add_omic(
'progenitor',
X=np.array([(1, 0) if i == 'my' else (0, 1) for i in progenitor],
dtype=np.float32),
var_names=np.array(['myeloid', 'lymphoid']),
)
return sco
def read_CITEseq_CBMC(filtered_genes=True, override=False, verbose=True):
download_path = os.path.join(DOWNLOAD_DIR, "CBMC_original")
if not os.path.exists(download_path):
os.mkdir(download_path)
preprocessed_path = _CITEseq_CBMC_PREPROCESSED
if not os.path.exists(preprocessed_path):
os.mkdir(preprocessed_path)
elif override:
if verbose:
print("Overriding path: %s" % _CITEseq_CBMC_PREPROCESSED)
shutil.rmtree(_CITEseq_CBMC_PREPROCESSED)
os.mkdir(_CITEseq_CBMC_PREPROCESSED)
# ******************** preprocessed data NOT found ******************** #
if not os.path.exists(os.path.join(preprocessed_path, 'X')):
X, X_row, X_col = [], None, None
y, y_row, y_col = [], None, None
# ====== download the data ====== #
url = str(base64.decodebytes(_URL), 'utf-8')
base_name = os.path.basename(url)
zip_path = os.path.join(download_path, base_name)
download_file(filename=zip_path,
url=url,
override=False,
md5=r"beb76d01a67707c61c21bfb188e1b69f")
# ====== extract the data ====== #
data_dict = {}
for name, data in crypto.unzip_aes(zip_path,
password=_PASSWORD,
verbose=False):
base_name = os.path.splitext(name)[0]
if '.npz' in name:
data = sp.sparse.load_npz(BytesIO(data)).todense()
elif '.csv' in name:
data = np.loadtxt(StringIO(str(data, 'utf-8')),
dtype=str,
delimiter=',')
else:
raise RuntimeError("Unknown format: %s" % name)
data_dict[base_name] = data
# ====== post-processing ====== #
X = np.array(data_dict['X'].astype('float32'))
X_row, X_col = data_dict['X_row'], data_dict['X_col']
X, X_col = remove_allzeros_columns(matrix=X, colname=X_col)
assert len(X_row) == X.shape[0] and len(X_col) == X.shape[1]
y = data_dict['y'].astype('float32')
y_row, y_col = data_dict['y_row'], data_dict['y_col']
assert len(y_row) == y.shape[0] and len(y_col) == y.shape[1]
assert np.all(X_row == y_row), \
"Cell order mismatch between gene count and protein count"
# save data
if verbose:
print(f"Saving data to {preprocessed_path} ...")
save_to_dataset(preprocessed_path,
X,
X_col,
y,
y_col,
rowname=X_row,
print_log=verbose)
sco = SingleCellOMIC(X, cell_id=X_row, gene_id=X_col)
sc.pp.filter_cells(sco, min_genes=200)
sc.pp.filter_genes(sco, min_cells=3)
sc.pp.normalize_total(sco, target_sum=1e4)
result = sc.pp.filter_genes_dispersion(sco.X,
min_mean=0.0125,
max_mean=3,
min_disp=0.5,
log=False,
n_top_genes=2000)
sco._inplace_subset_var(result.gene_subset)
with open(os.path.join(preprocessed_path, 'top_genes'), 'wb') as f:
pickle.dump(set(sco.var_names.values), f)
del sco
# ====== read preprocessed data ====== #
ds = Dataset(preprocessed_path, read_only=True)
sco = SingleCellOMIC(
X=ds['X'],
cell_id=ds['X_row'],
gene_id=ds['X_col'],
omic='transcriptomic',
name=f"cbmcCITEseq{'' if filtered_genes else 'all'}",
).add_omic('proteomic', ds['y'], ds['y_col'])
if filtered_genes:
with open(os.path.join(preprocessed_path, 'top_genes'), 'rb') as f:
top_genes = pickle.load(f)
sco._inplace_subset_var([i in top_genes for i in sco.var_names])
return sco
def read_CITEseq_PBMC(override=False,
verbose=True,
filtered_genes=False) -> SingleCellOMIC:
download_path = os.path.join(
DOWNLOAD_DIR,
"PBMC_%s_original" % ('5000' if filtered_genes else 'CITEseq'))
if not os.path.exists(download_path):
os.makedirs(download_path)
preprocessed_path = (_5000_PBMC_PREPROCESSED
if filtered_genes else _CITEseq_PBMC_PREPROCESSED)
if override:
shutil.rmtree(preprocessed_path)
os.makedirs(preprocessed_path)
# ******************** preprocessed data NOT found ******************** #
if not os.path.exists(os.path.join(preprocessed_path, 'X')):
X, X_row, X_col = [], None, None
y, y_row, y_col = [], None, None
# ====== download the data ====== #
download_files = {}
for url, md5 in zip(
[_URL_5000 if filtered_genes else _URL_FULL, _URL_PROTEIN],
[_MD5_5000 if filtered_genes else _MD5_FULL, _MD5_PROTEIN]):
url = str(base64.decodebytes(url), 'utf-8')
base_name = os.path.basename(url)
path = os.path.join(download_path, base_name)
download_file(filename=path, url=url, override=False)
download_files[base_name] = (path, md5)
# ====== extract the data ====== #
n = set()
for name, (path, md5) in sorted(download_files.items()):
if verbose:
print(f"Extracting {name} ...")
binary_data = decrypt_aes(path, password=_PASSWORD)
md5_ = md5_checksum(binary_data)
assert md5_ == md5, f"MD5 checksum mismatch for file: {name}"
with zipfile.ZipFile(file=BytesIO(binary_data), mode='r') as f:
for name in f.namelist():
data = str(f.read(name), 'utf8')
for line in data.split('\n'):
if len(line) == 0:
continue
line = line.strip().split(',')
n.add(len(line))
if 'Protein' in name:
y.append(line)
else:
X.append(line)
# ====== post-processing ====== #
assert len(n) == 1, \
"Number of samples inconsistent between raw count and protein count"
if verbose:
print("Processing gene count ...")
X = np.array(X).T
X_row, X_col = X[1:, 0], X[0, 1:]
X = X[1:, 1:].astype('float32')
# ====== filter mouse genes ====== #
human_cols = [True if "HUMAN_" in i else False for i in X_col]
if verbose:
print(f"Removing {np.sum(np.logical_not(human_cols))} MOUSE genes ...")
X = X[:, human_cols]
X_col = np.array([i.replace('HUMAN_', '') for i in X_col[human_cols]])
X, X_col = remove_allzeros_columns(matrix=X,
colname=X_col,
print_log=verbose)
# ====== protein ====== #
if verbose:
print("Processing protein count ...")
y = np.array(y).T
y_row, y_col = y[1:, 0], y[0, 1:]
y = y[1:, 1:].astype('float32')
assert np.all(X_row == y_row), \
"Cell order mismatch between gene count and protein count"
# save data
if verbose:
print(f"Saving data to {preprocessed_path} ...")
save_to_dataset(preprocessed_path,
X,
X_col,
y,
y_col,
rowname=X_row,
print_log=verbose)
# ====== read preprocessed data ====== #
ds = Dataset(preprocessed_path, read_only=True)
return SingleCellOMIC(
X=ds['X'],
cell_id=ds['X_row'],
gene_id=ds['X_col'],
omic='transcriptomic',
name=f"pbmcCITEseq{'' if filtered_genes else 'all'}",
).add_omic('proteomic', ds['y'], ds['y_col'])
def read_full_FACS(override=False, verbose=False):
""" https://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE75478
This is the full FACS data of 2 individuals with 7 protein markers
"""
download_path = os.path.join(DOWNLOAD_DIR, "FACS_full")
if not os.path.exists(download_path):
os.mkdir(download_path)
# ====== download the data ====== #
file_url = [
('GSE75478_transcriptomics_facs_indeces_filtered_I1.csv.gz',
'https://www.ncbi.nlm.nih.gov/geo/download/?acc=GSE75478&format=file&file=GSE75478%5Ftranscriptomics%5Ffacs%5Findeces%5Ffiltered%5FI1%2Ecsv%2Egz'
),
('GSE75478_transcriptomics_facs_indeces_filtered_I2.csv.gz',
'https://www.ncbi.nlm.nih.gov/geo/download/?acc=GSE75478&format=file&file=GSE75478%5Ftranscriptomics%5Ffacs%5Findeces%5Ffiltered%5FI2%2Ecsv%2Egz'
),
('GSE75478_transcriptomics_raw_filtered_I1.csv.gz',
'https://www.ncbi.nlm.nih.gov/geo/download/?acc=GSE75478&format=file&file=GSE75478%5Ftranscriptomics%5Fraw%5Ffiltered%5FI1%2Ecsv%2Egz'
),
('GSE75478_transcriptomics_raw_filtered_I2.csv.gz',
'https://www.ncbi.nlm.nih.gov/geo/download/?acc=GSE75478&format=file&file=GSE75478%5Ftranscriptomics%5Fraw%5Ffiltered%5FI2%2Ecsv%2Egz'
),
]
for name, url in file_url:
filename = os.path.join(download_path, name)
if not os.path.exists(filename):
if verbose:
print("Downloading file '{filename}' ...")
urlretrieve(url=url, filename=filename)
# ====== extract the data ====== #
preprocessed_path = _FACS_PREPROCESSED % 7
if not os.path.exists(preprocessed_path):
os.mkdir(preprocessed_path)
elif override:
shutil.rmtree(preprocessed_path)
os.mkdir(preprocessed_path)
# ******************** preprocessed data NOT found ******************** #
if not os.path.exists(os.path.join(preprocessed_path, 'X')):
data_map = {}
for name, _ in file_url:
zip_path = os.path.join(download_path, name)
with gzip.open(zip_path, 'rb') as f:
data_map[name.split('.')[0]] = np.array(
[str(line, 'utf-8').strip().split(',') for line in f]).T
i1 = data_map['GSE75478_transcriptomics_raw_filtered_I1']
f1 = data_map['GSE75478_transcriptomics_facs_indeces_filtered_I1']
i2 = data_map['GSE75478_transcriptomics_raw_filtered_I2']
f2 = data_map['GSE75478_transcriptomics_facs_indeces_filtered_I2']
# Matching duplicated row in `i` and `f`
row_name = set(i1[1:, 0]) & set(f1[1:, 0])
i1 = i1[[True] + [True if i in row_name else False
for i in i1[1:, 0]], :]
f1 = f1[[True] + [True if i in row_name else False
for i in f1[1:, 0]], :]
assert np.all(i1[:, 0] == f1[:, 0])
row_name = set(i2[1:, 0]) & set(f2[1:, 0])
i2 = i2[[True] + [True if i in row_name else False
for i in i2[1:, 0]], :]
f2 = f2[[True] + [True if i in row_name else False
for i in f2[1:, 0]], :]
assert np.all(i2[:, 0] == f2[:, 0])
# Matching the genes and protein among individuals
gene_name = set(i1[0][1:]) & set(i2[0][1:])
i1 = i1[:, [True] +
[True if i in gene_name else False for i in i1[0][1:]]]
i2 = i2[:, [True] +
[True if i in gene_name else False for i in i2[0][1:]]]
assert np.all(i1[0] == i2[0])
gene = np.concatenate((i1, i2[1:]), axis=0)
prot_name = set(
[i for i in set(f1[0][1:]) & set(f2[0][1:]) if '_cd' in i])
prot_name = sorted(prot_name)
f1 = f1[:, [0] + [f1[0].tolist().index(i) for i in prot_name]]
f2 = f2[:, [0] + [f2[0].tolist().index(i) for i in prot_name]]
assert np.all(f1[0] == f2[0])
prot = np.concatenate((f1, f2[1:]), axis=0)
# ====== save data to disk ====== #
X = gene[1:, 1:].astype('float32')
X_row = gene[1:, 0]
X_col = gene[0, 1:]
X_col = np.array([i.replace('"', '') for i in X_col])
y = prot[1:, 1:].astype('float32')
y_row = prot[1:, 0]
y_col = np.array(
[i.replace('"', '').split('_')[-1].upper() for i in prot[0, 1:]])
assert np.all(X_row == y_row)
X_row = np.array([i.replace('"', '') for i in X_row])
# ====== the protein marker can be smaller than zero ====== #
min_values = np.min(y, axis=0, keepdims=True)
min_values = np.where(min_values > 0, 0, min_values)
y = y + np.abs(min_values)
# ====== filter zero columns ====== #
X, X_col = remove_allzeros_columns(matrix=X,
colname=X_col,
print_log=verbose)
save_to_dataset(path=preprocessed_path,
X=X,
X_col=X_col,
y=y,
y_col=y_col,
rowname=X_row,
print_log=verbose)
# ******************** read preprocessed data ******************** #
ds = Dataset(preprocessed_path, read_only=True)
return ds
def read_FACS(n_protein, override=False, verbose=False):
download_path = os.path.join(DOWNLOAD_DIR, "FACS_original")
if not os.path.exists(download_path):
os.mkdir(download_path)
n_protein = int(n_protein)
assert n_protein in (2, 5)
preprocessed_path = _FACS_PREPROCESSED % n_protein
if not os.path.exists(preprocessed_path):
os.mkdir(preprocessed_path)
elif override:
shutil.rmtree(preprocessed_path)
os.mkdir(preprocessed_path)
# ******************** preprocessed data NOT found ******************** #
if not os.path.exists(os.path.join(preprocessed_path, 'X')):
X, X_row, X_col = [], None, None
y, y_row, y_col = [], None, None
# ====== download the data ====== #
url = str(base64.decodebytes(_URL), 'utf-8') % n_protein
base_name = os.path.basename(url)
zip_path = os.path.join(download_path, base_name)
urlretrieve(url=url, filename=zip_path)
# ====== extract the data ====== #
data_dict = {}
for name, data in crypto.unzip_aes(zip_path,
password=_PASSWORD,
verbose=False):
base_name = os.path.splitext(name)[0]
if '.npz' in name:
data = sp.sparse.load_npz(BytesIO(data)).todense()
elif '.csv' in name:
data = np.loadtxt(StringIO(str(data, 'utf-8')),
dtype=str,
delimiter=',')
else:
raise RuntimeError("Unknown format: %s" % name)
data_dict[base_name] = data
if verbose:
print('%-12s' % base_name, ':', data.shape)
# ====== post-processing ====== #
X = data_dict['X'].astype('float32')
X = np.array(X)
X_row, X_col = data_dict['X_row'], data_dict['X_col']
assert len(X_row) == X.shape[0] and len(X_col) == X.shape[1]
y = data_dict['y'].astype('float32')
y_row, y_col = data_dict['y_row'], data_dict['y_col']
assert len(y_row) == y.shape[0] and len(y_col) == y.shape[1]
assert np.all(X_row == y_row), \
"Cell order mismatch between gene count and protein count"
# ====== filter zero columns ====== #
X, X_col = remove_allzeros_columns(matrix=X,
colname=X_col,
print_log=verbose)
save_to_dataset(path=preprocessed_path,
X=X,
X_col=X_col,
y=y,
y_col=y_col,
rowname=X_row,
print_log=verbose)
# ******************** read preprocessed data ******************** #
ds = Dataset(preprocessed_path, read_only=True)
return ds