def main():
logging.basicConfig(level=logging.DEBUG,
format="%(asctime)s - %(name)s - %(levelname)s - %(message)s")
parser = argparse.ArgumentParser()
parser.add_argument('--skip-all-nan', dest='skip_nan', action='store_true')
parser.add_argument('--skip-all-zero', dest='skip_zero', action='store_true')
parser.add_argument('--libs', dest="library_ids", default=None)
parser.add_argument('--transcripts', dest="transcript_ids", default=None)
parser.add_argument('input_dir')
parser.add_argument('output_dir')
args = parser.parse_args()
if not os.path.exists(args.input_dir):
parser.error("input directory '%s' not found" % (args.input_dir))
if os.path.exists(args.output_dir):
parser.error("output directory '%s' already exists" % (args.output_dir))
# open matrix
bm = BigCountMatrix.open(args.input_dir)
# get library and transcript ids
if args.library_ids is not None:
library_ids = set([line.strip() for line in open(args.library_ids)])
else:
library_ids = set()
if args.transcript_ids is not None:
transcript_ids = set([line.strip() for line in open(args.transcript_ids)])
else:
transcript_ids = set(bm.rownames)
if args.skip_nan or args.skip_zero:
logging.debug('Checking matrix for rows of all zero and/or nan')
skip_ids = set(find_transcripts_to_skip(args.input_dir,
args.skip_nan,
args.skip_zero))
transcript_ids.difference_update(skip_ids)
logging.debug('Creating subset with %d transcripts' % (len(transcript_ids)))
bm.copy(args.output_dir, transcript_ids, library_ids)
bm.close()
def worker(args):
(input_path, matrix_dir, meta, fdr_thresholds) = args
bm = BigCountMatrix.open(matrix_dir)
ss_compname = os.path.basename(input_path)
results_file = os.path.join(input_path, Config.RESULTS_JSON_FILE)
sigup = [set() for x in fdr_thresholds]
sigdn = [set() for x in fdr_thresholds]
# extract data
n = 0
for res in parse_results(results_file):
n += 1
if (n % 10000) == 0:
logging.debug('%s parsed %d' % (ss_compname, n))
transcript_id = bm.rownames[res.t_id]
if (meta is not None) and (transcript_id not in meta):
continue
for i,fdr_threshold in enumerate(fdr_thresholds):
if res.ss_fdr_q_value > fdr_threshold:
continue
if res.ss_frac > 0:
sigup[i].add(res.t_id)
else:
sigdn[i].add(res.t_id)
bm.close()
return (ss_compname, sigup, sigdn)
def main():
logging.basicConfig(level=logging.DEBUG,
format="%(asctime)s - %(name)s - %(levelname)s - %(message)s")
parser = argparse.ArgumentParser()
parser.add_argument('--na-value', dest='matrix_na_values',
default=[DEFAULT_NA_VALUE], action='append',
help='Value to interpret as missing/invalid '
'in weight matrix [default=%(default)s]')
parser.add_argument('input_tsv_file')
parser.add_argument('output_dir')
# parse args
args = parser.parse_args()
input_tsv_file = args.input_tsv_file
output_dir = args.output_dir
matrix_na_values = args.matrix_na_values
# check args
if not os.path.exists(input_tsv_file):
parser.error('Input file "%s" not found' % (input_tsv_file))
if not os.path.exists(output_dir):
os.makedirs(output_dir)
# convert matrix
logging.info("Converting text matrix file to binary format")
bm = BigCountMatrix.from_tsv(input_tsv_file, output_dir,
na_values=matrix_na_values)
logging.info("Estimating size factors")
bm.estimate_size_factors('deseq')
bm.close()
def main():
logging.basicConfig(
level=logging.DEBUG,
format="%(asctime)s - %(name)s - %(levelname)s - %(message)s")
parser = argparse.ArgumentParser()
parser.add_argument('--na-value',
dest='matrix_na_values',
default=[DEFAULT_NA_VALUE],
action='append',
help='Value to interpret as missing/invalid '
'in weight matrix [default=%(default)s]')
parser.add_argument('input_tsv_file')
parser.add_argument('output_dir')
# parse args
args = parser.parse_args()
input_tsv_file = args.input_tsv_file
output_dir = args.output_dir
matrix_na_values = args.matrix_na_values
# check args
if not os.path.exists(input_tsv_file):
parser.error('Input file "%s" not found' % (input_tsv_file))
if not os.path.exists(output_dir):
os.makedirs(output_dir)
# convert matrix
logging.info("Converting text matrix file to binary format")
bm = BigCountMatrix.from_tsv(input_tsv_file,
output_dir,
na_values=matrix_na_values)
logging.info("Estimating size factors")
bm.estimate_size_factors('deseq')
bm.close()
def main():
parser = argparse.ArgumentParser()
# parser.add_argument('--colmeta', dest='col_metadata_file',
# help='file containing metadata corresponding to each '
# 'column of the weight matrix file')
# parser.add_argument('--rowmeta', dest='row_metadata_file',
# help='file containing metadata corresponding to each '
# 'row of the weight matrix file')
parser.add_argument("-r",
dest="row",
action="store_true",
default=False,
help="Print row_meta JSONs")
parser.add_argument("-c",
dest="col",
action="store_true",
default=False,
help="Print col_meta JSONs")
parser.add_argument('matrix_dir')
args = parser.parse_args()
# check command line args
matrix_dir = os.path.abspath(args.matrix_dir)
col_metadata_file = os.path.join(matrix_dir, 'colmeta.tsv')
row_metadata_file = os.path.join(matrix_dir, 'rowmeta.tsv')
if not os.path.exists(col_metadata_file):
parser.error("Column metadata file '%s' not found" %
(args.col_metadata_file))
if not os.path.exists(row_metadata_file):
parser.error("Row metadata file '%s' not found" %
(args.row_metadata_file))
if not os.path.exists(args.matrix_dir):
parser.error('matrix path "%s" not found' % (args.matrix_dir))
# col_metadata_file = os.path.abspath(args.col_metadata_file)
# row_metadata_file = os.path.abspath(args.row_metadata_file)
# open matrix
bm = BigCountMatrix.open(matrix_dir)
if bm.size_factors is None:
parser.error("Size factors not found in count matrix")
# read metadata
logging.info("Reading row metadata")
row_metadata = list(Metadata.parse_tsv(row_metadata_file, bm.rownames))
logging.info("Reading column metadata")
col_metadata = list(Metadata.parse_tsv(col_metadata_file, bm.colnames))
# pipe row metadata into mongoimport
if args.row:
logging.debug("Importing row metadata")
for m in row_metadata:
print >> sys.stdout, m.to_json()
if args.col:
logging.debug("Importing column metadata")
for m in col_metadata:
print >> sys.stdout, m.to_json()
# cleanup
bm.close()
def db_ss_printJSON(ssea_dir, matrix_dir, ss_id):
sample_sets_json_file = os.path.join(ssea_dir, 'sample_set.json')
bm = BigCountMatrix.open(matrix_dir)
samples = bm.colnames
ss = SampleSet.parse_json(sample_sets_json_file)[0]
membership = ss.get_array(samples)
d = ss.to_dict(membership)
d['_id'] = int(ss_id)
print json.dumps(d)
def main():
logging.basicConfig(level=logging.DEBUG,
format="%(asctime)s - %(name)s - %(levelname)s - %(message)s")
parser = argparse.ArgumentParser()
parser.add_argument('metadata_file')
parser.add_argument('matrix_dir')
args = parser.parse_args()
# get args
metadata_file = args.metadata_file
matrix_dir = args.matrix_dir
bm = BigCountMatrix.open(matrix_dir)
# read transcript lengths
logging.debug('Reading transcript_length')
lengths = {}
with open(metadata_file) as f:
header_fields = f.next().strip().split('\t')
t_id_ind = header_fields.index('transcript_id')
length_ind = header_fields.index('transcript_length')
for line in f:
fields = line.strip().split('\t')
t_id = fields[t_id_ind]
length = int(fields[length_ind])
lengths[t_id] = float(length) / 1000.0
if not set(lengths.keys()).issuperset(bm.rownames):
parser.error('Metadata does not contain all transcripts in matrix')
# get total counts per library
logging.debug('Getting total counts per library')
lib_sizes = np.empty(bm.shape[1], dtype=np.float)
for j in xrange(bm.shape[1]):
a = bm.counts_t[j,:]
a = a[np.isfinite(a)]
lib_sizes[j] = a.sum()
lib_sizes /= 1.0e6
# normalize
logging.debug('Normalizing and summarizing counts per transcript')
print '\t'.join(['transcript_id', 'exprtot', 'exprmean', 'exprmedian', 'exprmax',
'expr9999', 'expr999', 'expr99', 'expr95', 'expr90'])
for i in xrange(bm.shape[0]):
t_id = bm.rownames[i]
if t_id not in lengths:
logging.warning('Transcript %s not found in metadata' % (t_id))
continue
length = lengths[t_id]
a = bm.counts[i,:]
valid = np.isfinite(a)
anorm = (a[valid] / lib_sizes[valid]) / length
# get stats
fields = [t_id, np.sum(anorm), np.mean(anorm),
np.median(anorm), np.max(anorm),
np.percentile(anorm, 99.99),
np.percentile(anorm, 99.9),
np.percentile(anorm, 99),
np.percentile(anorm, 95),
np.percentile(anorm, 90)]
print '\t'.join(map(str, fields))
bm.close()
def db_ss_printJSON(ssea_dir, matrix_dir, ss_id):
sample_sets_json_file = os.path.join(ssea_dir,
'sample_set.json')
bm = BigCountMatrix.open(matrix_dir)
samples = bm.colnames
ss = SampleSet.parse_json(sample_sets_json_file)[0]
membership = ss.get_array(samples)
d = ss.to_dict(membership)
d['_id'] = int(ss_id)
print json.dumps(d)
def stats_parallel(input_paths, matrix_dir, transcripts, prefix,
fdr_thresholds, num_processes):
tasklist = []
for input_path in input_paths:
tasklist.append((input_path, matrix_dir, transcripts, fdr_thresholds))
# create pool
pool = Pool(processes=num_processes)
result_iter = pool.imap_unordered(worker, tasklist)
sigup = [set() for x in fdr_thresholds]
sigdn = [set() for x in fdr_thresholds]
sigall = [set() for x in fdr_thresholds]
bm = BigCountMatrix.open(matrix_dir)
nrows = len(bm.rownames)
filename = prefix + '.txt'
with open(filename, 'w') as f:
header_fields = ['ss_compname', 'dir', 'fdr', 'count']
print >>f, '\t'.join(header_fields)
for ss_compname, ss_sigup, ss_sigdn in result_iter:
for i,fdr_threshold in enumerate(fdr_thresholds):
fields = [ss_compname, 'up', '%.1e' % (fdr_threshold), len(ss_sigup[i])]
print >>f, '\t'.join(map(str, fields))
fields = [ss_compname, 'dn', '%.1e' % (fdr_threshold), len(ss_sigdn[i])]
print >>f, '\t'.join(map(str, fields))
ss_sigall = ss_sigup[i].union(ss_sigdn[i])
fields = [ss_compname, 'both', '%.1e' % (fdr_threshold), len(ss_sigall)]
print >>f, '\t'.join(map(str, fields))
num_none = nrows - len(ss_sigall)
fields = [ss_compname, 'none', '%.1e' % (fdr_threshold), num_none]
print >>f, '\t'.join(map(str, fields))
sigup[i].update(ss_sigup[i])
sigdn[i].update(ss_sigdn[i])
sigall[i].update(ss_sigall)
pool.close()
pool.join()
# global stats
for i,fdr_threshold in enumerate(fdr_thresholds):
filename = prefix + '_%.1e_up' % (fdr_threshold)
with open(filename, 'w') as f:
sig_t_ids = [bm.rownames[x] for x in sorted(sigup[i])]
print >>f, '\n'.join(sig_t_ids)
filename = prefix + '_%.1e_dn' % (fdr_threshold)
with open(filename, 'w') as f:
sig_t_ids = [bm.rownames[x] for x in sorted(sigdn[i])]
print >>f, '\n'.join(sig_t_ids)
filename = prefix + '_%.1e_both' % (fdr_threshold)
sig_t_ids = [bm.rownames[x] for x in sorted(sigall[i])]
with open(filename, 'w') as f:
print >>f, '\n'.join(sig_t_ids)
filename = prefix + '_%.1e_none' % (fdr_threshold)
with open(filename, 'w') as f:
none_t_ids = set(bm.rownames).difference(sig_t_ids)
print >>f, '\n'.join(none_t_ids)
bm.close()
def main():
parser = argparse.ArgumentParser()
# parser.add_argument('--colmeta', dest='col_metadata_file',
# help='file containing metadata corresponding to each '
# 'column of the weight matrix file')
# parser.add_argument('--rowmeta', dest='row_metadata_file',
# help='file containing metadata corresponding to each '
# 'row of the weight matrix file')
parser.add_argument("-r", dest="row",
action="store_true", default=False,
help="Print row_meta JSONs")
parser.add_argument("-c", dest="col",
action="store_true", default=False,
help="Print col_meta JSONs")
parser.add_argument('matrix_dir')
args = parser.parse_args()
# check command line args
matrix_dir = os.path.abspath(args.matrix_dir)
col_metadata_file = os.path.join(matrix_dir, 'colmeta.tsv')
row_metadata_file = os.path.join(matrix_dir, 'rowmeta.tsv')
if not os.path.exists(col_metadata_file):
parser.error("Column metadata file '%s' not found" % (args.col_metadata_file))
if not os.path.exists(row_metadata_file):
parser.error("Row metadata file '%s' not found" % (args.row_metadata_file))
if not os.path.exists(args.matrix_dir):
parser.error('matrix path "%s" not found' % (args.matrix_dir))
# col_metadata_file = os.path.abspath(args.col_metadata_file)
# row_metadata_file = os.path.abspath(args.row_metadata_file)
# open matrix
bm = BigCountMatrix.open(matrix_dir)
if bm.size_factors is None:
parser.error("Size factors not found in count matrix")
# read metadata
logging.info("Reading row metadata")
row_metadata = list(Metadata.parse_tsv(row_metadata_file, bm.rownames))
logging.info("Reading column metadata")
col_metadata = list(Metadata.parse_tsv(col_metadata_file, bm.colnames))
# pipe row metadata into mongoimport
if args.row:
logging.debug("Importing row metadata")
for m in row_metadata:
print >>sys.stdout, m.to_json()
if args.col:
logging.debug("Importing column metadata")
for m in col_metadata:
print >>sys.stdout, m.to_json()
# cleanup
bm.close()
def query_worker(args):
(input_path, matrix_dir, meta, fdr_threshold, frac_threshold,
fpr_threshold, prec_threshold) = args
bm = BigCountMatrix.open(matrix_dir)
ss_compname = os.path.basename(input_path)
results_file = os.path.join(input_path, Config.RESULTS_JSON_FILE)
i = 0
sig = 0
lines = []
# extract data
for res in parse_results(results_file):
i += 1
#if (i % 10000) == 0:
# logging.debug('%s %d results' % (ss_compname, i))
transcript_id = bm.rownames[res.t_id]
if (meta is not None) and (transcript_id not in meta):
continue
core_size = res.core_hits + res.core_misses
if core_size == 0:
prec = 0.0
else:
prec = res.core_hits / float(core_size)
num_misses = res.core_misses + res.null_misses
if num_misses == 0:
fpr = 0.0
else:
fpr = res.core_misses / float(num_misses)
if ((res.ss_fdr_q_value <= fdr_threshold)
and (abs(res.ss_frac) >= frac_threshold)
and (fpr <= fpr_threshold) and (prec >= prec_threshold)):
if meta is None:
fields = [transcript_id]
else:
fields = list(meta[transcript_id])
fields.extend([
ss_compname, res.es, res.nes, res.ss_fdr_q_value, res.ss_frac,
fpr, prec
])
lines.append('\t'.join(map(str, fields)))
sig += 1
bm.close()
logging.debug('Found %d results for path %s' % (sig, input_path))
return lines
def query_worker(args):
(input_path, matrix_dir, meta, fdr_threshold,
frac_threshold, fpr_threshold, prec_threshold) = args
bm = BigCountMatrix.open(matrix_dir)
ss_compname = os.path.basename(input_path)
results_file = os.path.join(input_path, Config.RESULTS_JSON_FILE)
i = 0
sig = 0
lines = []
# extract data
for res in parse_results(results_file):
i += 1
#if (i % 10000) == 0:
# logging.debug('%s %d results' % (ss_compname, i))
transcript_id = bm.rownames[res.t_id]
if (meta is not None) and (transcript_id not in meta):
continue
core_size = res.core_hits + res.core_misses
if core_size == 0:
prec = 0.0
else:
prec = res.core_hits / float(core_size)
num_misses = res.core_misses + res.null_misses
if num_misses == 0:
fpr = 0.0
else:
fpr = res.core_misses / float(num_misses)
if ((res.ss_fdr_q_value <= fdr_threshold) and
(abs(res.ss_frac) >= frac_threshold) and
(fpr <= fpr_threshold) and
(prec >= prec_threshold)):
if meta is None:
fields = [transcript_id]
else:
fields = list(meta[transcript_id])
fields.extend([ss_compname, res.es, res.nes,
res.ss_fdr_q_value, res.ss_frac, fpr, prec])
lines.append('\t'.join(map(str,fields)))
sig += 1
bm.close()
logging.debug('Found %d results for path %s' % (sig, input_path))
return lines
def main():
logging.basicConfig(
level=logging.DEBUG,
format="%(asctime)s - %(name)s - %(levelname)s - %(message)s")
parser = argparse.ArgumentParser()
parser.add_argument('--skip-all-nan', dest='skip_nan', action='store_true')
parser.add_argument('--skip-all-zero',
dest='skip_zero',
action='store_true')
parser.add_argument('--libs', dest="library_ids", default=None)
parser.add_argument('--transcripts', dest="transcript_ids", default=None)
parser.add_argument('input_dir')
parser.add_argument('output_dir')
args = parser.parse_args()
if not os.path.exists(args.input_dir):
parser.error("input directory '%s' not found" % (args.input_dir))
if os.path.exists(args.output_dir):
parser.error("output directory '%s' already exists" %
(args.output_dir))
# open matrix
bm = BigCountMatrix.open(args.input_dir)
# get library and transcript ids
if args.library_ids is not None:
library_ids = set([line.strip() for line in open(args.library_ids)])
else:
library_ids = set()
if args.transcript_ids is not None:
transcript_ids = set(
[line.strip() for line in open(args.transcript_ids)])
else:
transcript_ids = set(bm.rownames)
if args.skip_nan or args.skip_zero:
logging.debug('Checking matrix for rows of all zero and/or nan')
skip_ids = set(
find_transcripts_to_skip(args.input_dir, args.skip_nan,
args.skip_zero))
transcript_ids.difference_update(skip_ids)
logging.debug('Creating subset with %d transcripts' %
(len(transcript_ids)))
bm.copy(args.output_dir, transcript_ids, library_ids)
bm.close()
def find_transcripts_to_skip(input_dir, skip_nan, skip_zero):
'''
find transcripts with 'nan' or 0.0 values
'''
skip_rownames = []
bm = BigCountMatrix.open(input_dir)
for i in xrange(bm.shape[0]):
a = np.array(bm.counts[i, :], dtype=np.float)
skip = False
if skip_nan:
num_finite = np.isfinite(a).sum()
if num_finite == 0:
logging.debug('Row %d t_id %s all nan' % (i, bm.rownames[i]))
skip = True
if skip_zero:
num_nonzero = (a > 0).sum()
if num_nonzero == 0:
logging.debug('Row %d t_id %s all zeros' % (i, bm.rownames[i]))
skip = True
if skip:
skip_rownames.append(bm.rownames[i])
bm.close()
logging.debug('Found %d rows to skip' % (len(skip_rownames)))
return skip_rownames
def find_transcripts_to_skip(input_dir, skip_nan, skip_zero):
'''
find transcripts with 'nan' or 0.0 values
'''
skip_rownames = []
bm = BigCountMatrix.open(input_dir)
for i in xrange(bm.shape[0]):
a = np.array(bm.counts[i,:], dtype=np.float)
skip = False
if skip_nan:
num_finite = np.isfinite(a).sum()
if num_finite == 0:
logging.debug('Row %d t_id %s all nan' % (i, bm.rownames[i]))
skip = True
if skip_zero:
num_nonzero = (a > 0).sum()
if num_nonzero == 0:
logging.debug('Row %d t_id %s all zeros' % (i, bm.rownames[i]))
skip = True
if skip:
skip_rownames.append(bm.rownames[i])
bm.close()
logging.debug('Found %d rows to skip' % (len(skip_rownames)))
return skip_rownames
def main():
# parse command line
parser = argparse.ArgumentParser()
parser.add_argument("memmap_dir")
parser.add_argument("metadata_file")
args = parser.parse_args()
logging.basicConfig(level=logging.DEBUG,
format="%(asctime)s - %(name)s - %(levelname)s - %(message)s")
#make dict of lengths for count --> FPKM conversion
meta_file = open(args.metadata_file)
meta_header = meta_file.next().strip().split('\t')
t_meta_dict = {}
logging.info("Parsing metadata file for transcript lengths")
for line in meta_file:
line = line.strip().split('\t')
t_id = line[meta_header.index('transcript_id')]
t_meta_dict[t_id] = line
bcm = BigCountMatrix.open(args.memmap_dir)
rows = bcm.rownames
cols = bcm.colnames
matrix = bcm.counts
matrix_t = bcm.counts_t
#loop through matrix by column to get total # of reads for FPKM conversion
logging.info('Looping through matrix_t for number of reads per sample')
tot_reads_array = []
for x in xrange(len(matrix_t[:,1])):
if (x%500) == 0:
logging.info('Finished %d/%d samples' % (x, len(matrix_t[:,1])))
col_expr_array = matrix_t[x,]
tot_reads_array.append(np.nansum(col_expr_array))
tot_reads_np_array = np.array(tot_reads_array)
#looping through matrix and converting to FPKM then reporting stats
logging.info('Converting to FPKM then reporting stats')
new_fields = [
'max',
'99.99th',
'99.9th',
'99.5th',
'99th',
'95th',
'90th',
'mean',
'median'
]
print '\t'.join(meta_header + new_fields)
for x in xrange(len(rows)):
if (x%5000) == 0:
logging.info('Finished %d/%d transcripts' % (x, len(rows)))
t_id = rows[x]
metadata = t_meta_dict[t_id]
t_len = metadata[meta_header.index('transcript_length')]
t_len = int(t_len)
count_array = matrix[x,]
#convert to FPKM
fpkm_array = (count_array*10e8)/(t_len*tot_reads_np_array)
max = fpkm_array.max()
median = np.median(fpkm_array)
mean = np.mean(fpkm_array)
_99_99 = np.percentile(fpkm_array, 99.99)
_99_9 = np.percentile(fpkm_array, 99.9)
_99_5 = np.percentile(fpkm_array, 99.5)
_99 = np.percentile(fpkm_array, 99)
_95 = np.percentile(fpkm_array, 95)
_90 = np.percentile(fpkm_array, 90)
lineo = metadata + [max, _99_99, _99_9, _99_5, _99, _95, _90, mean, median]
print '\t'.join(map(str,lineo))
#
return 0
def main():
logging.basicConfig(level=logging.DEBUG,
format="%(asctime)s - %(name)s - %(levelname)s - %(message)s")
parser = argparse.ArgumentParser()
parser.add_argument('--colmeta', dest='col_metadata_file', default=None)
parser.add_argument('--rowmeta', dest='row_metadata_file', default=None)
parser.add_argument('matrix_dir')
args = parser.parse_args()
col_metadata_file = args.col_metadata_file
row_metadata_file = args.row_metadata_file
matrix_dir = args.matrix_dir
if not os.path.exists(matrix_dir):
parser.error('matrix directory "%s" not found' % (matrix_dir))
# open matrix
bm = BigCountMatrix.open(matrix_dir)
# get pheno data
logging.debug('Reading library metadata')
col_inds = parse_library_table(col_metadata_file, bm.colnames)
# get transcript metadata
logging.debug('Reading transcript metadata')
row_inds, lengths = parse_transcript_table(row_metadata_file, bm.rownames)
# get total counts per library
# logging.debug('Getting total fragments per library')
# lib_sizes = np.empty(len(col_inds), dtype=np.float)
# for j in xrange(len(col_inds)):
# a = bm.counts_t[j,:]
# a = a[np.isfinite(a)]
# lib_sizes[j] = a.sum()
# lib_sizes /= 1.0e6
# normalize
logging.debug('Normalizing and summarizing counts per transcript')
header_fields = ['transcript_id']
header_fields.extend([bm.colnames[x] for x in col_inds])
print '\t'.join(header_fields)
for i,lengthkb in zip(row_inds,lengths):
t_id = bm.rownames[i]
counts = bm.counts[i, col_inds]
# ignore nans
valid_inds = np.isfinite(counts)
# normalize counts
a = (counts[valid_inds] / bm.size_factors[valid_inds])
# log transform
a = np.log2(a + 1.0)
# z-score
#mean = np.mean(a)
#std = np.std(a)
#a = (a - mean) / std
# subtract median and divide by MAD
med = np.median(a)
mad = MAD_CONSTANT + (np.median(np.abs(a - med)) * MAD_SCALE_FACTOR)
a = (a - med) / mad
# write
out = np.empty(len(col_inds), dtype=np.float)
out[:] = np.nan
out[valid_inds] = a
fields = [t_id]
fields.extend(map(str,out))
print '\t'.join(fields)
continue
#a = (counts[valid_inds] / bm.size_factors[valid_inds])
#a = (counts[valid_inds] / lib_sizes[valid_inds]) / lengthkb
# center and scale
med = np.median(a)
mad = med + (np.median(np.abs(a - med)) * MAD_SCALE_FACTOR)
#mad = MAD_CONSTANT + (np.median(np.abs(a - med)) * MAD_SCALE_FACTOR)
a = (a - med) / mad
# log transform
a = np.sign(a) * np.log2(np.abs(a)+1.0)
# normalize by transcript length
#a -= np.log2(lengthkb)
# output result
out = np.empty(len(col_inds), dtype=np.float)
out[:] = np.nan
out[valid_inds] = a
fields = [t_id]
fields.extend(map(str,out))
print '\t'.join(fields)
#normcounts = (counts[valid_inds] / lib_sizes[valid_inds]) / length
#normlogcounts = np.log2(normcounts + 1)
# subtracting global median and dividing by the median absolute deviation
#med = np.median(normlogcounts)
#mad = MAD_CONSTANT + (np.median(np.abs(normlogcounts - med)) * MAD_SCALE_FACTOR)
#normlogcounts = (normlogcounts - med) / mad
# output final matrix
#a = np.empty(len(col_inds), dtype=np.float)
#a[:] = np.nan
#a[valid_inds] = normlogcounts
#fields = [t_id]
#fields.extend(map(str,a))
#print '\t'.join(fields)
bm.close()
return 0
def main():
logging.basicConfig(
level=logging.DEBUG,
format="%(asctime)s - %(name)s - %(levelname)s - %(message)s")
parser = argparse.ArgumentParser()
parser.add_argument('--colmeta', dest='col_metadata_file', default=None)
parser.add_argument('--rowmeta', dest='row_metadata_file', default=None)
parser.add_argument('matrix_dir')
args = parser.parse_args()
col_metadata_file = args.col_metadata_file
row_metadata_file = args.row_metadata_file
matrix_dir = args.matrix_dir
if not os.path.exists(matrix_dir):
parser.error('matrix directory "%s" not found' % (matrix_dir))
# open matrix
bm = BigCountMatrix.open(matrix_dir)
# get pheno data
logging.debug('Reading library metadata')
col_inds = parse_library_table(col_metadata_file, bm.colnames)
# get transcript metadata
logging.debug('Reading transcript metadata')
row_inds, lengths = parse_transcript_table(row_metadata_file, bm.rownames)
# get total counts per library
# logging.debug('Getting total fragments per library')
# lib_sizes = np.empty(len(col_inds), dtype=np.float)
# for j in xrange(len(col_inds)):
# a = bm.counts_t[j,:]
# a = a[np.isfinite(a)]
# lib_sizes[j] = a.sum()
# lib_sizes /= 1.0e6
# normalize
logging.debug('Normalizing and summarizing counts per transcript')
header_fields = ['transcript_id']
header_fields.extend([bm.colnames[x] for x in col_inds])
print '\t'.join(header_fields)
for i, lengthkb in zip(row_inds, lengths):
t_id = bm.rownames[i]
counts = bm.counts[i, col_inds]
# ignore nans
valid_inds = np.isfinite(counts)
# normalize counts
a = (counts[valid_inds] / bm.size_factors[valid_inds])
# log transform
a = np.log2(a + 1.0)
# z-score
#mean = np.mean(a)
#std = np.std(a)
#a = (a - mean) / std
# subtract median and divide by MAD
med = np.median(a)
mad = MAD_CONSTANT + (np.median(np.abs(a - med)) * MAD_SCALE_FACTOR)
a = (a - med) / mad
# write
out = np.empty(len(col_inds), dtype=np.float)
out[:] = np.nan
out[valid_inds] = a
fields = [t_id]
fields.extend(map(str, out))
print '\t'.join(fields)
continue
#a = (counts[valid_inds] / bm.size_factors[valid_inds])
#a = (counts[valid_inds] / lib_sizes[valid_inds]) / lengthkb
# center and scale
med = np.median(a)
mad = med + (np.median(np.abs(a - med)) * MAD_SCALE_FACTOR)
#mad = MAD_CONSTANT + (np.median(np.abs(a - med)) * MAD_SCALE_FACTOR)
a = (a - med) / mad
# log transform
a = np.sign(a) * np.log2(np.abs(a) + 1.0)
# normalize by transcript length
#a -= np.log2(lengthkb)
# output result
out = np.empty(len(col_inds), dtype=np.float)
out[:] = np.nan
out[valid_inds] = a
fields = [t_id]
fields.extend(map(str, out))
print '\t'.join(fields)
#normcounts = (counts[valid_inds] / lib_sizes[valid_inds]) / length
#normlogcounts = np.log2(normcounts + 1)
# subtracting global median and dividing by the median absolute deviation
#med = np.median(normlogcounts)
#mad = MAD_CONSTANT + (np.median(np.abs(normlogcounts - med)) * MAD_SCALE_FACTOR)
#normlogcounts = (normlogcounts - med) / mad
# output final matrix
#a = np.empty(len(col_inds), dtype=np.float)
#a[:] = np.nan
#a[valid_inds] = normlogcounts
#fields = [t_id]
#fields.extend(map(str,a))
#print '\t'.join(fields)
bm.close()
return 0
def main():
logging.basicConfig(level=logging.DEBUG,
format="%(asctime)s - %(name)s - %(levelname)s - %(message)s")
parser = argparse.ArgumentParser()
parser.add_argument('--fdr', dest='fdr', type=float, default=1.0)
parser.add_argument('--frac', dest='frac', type=float, default=0.0)
parser.add_argument('--meta', dest='metadata_file', default=None)
parser.add_argument("-i", dest="input_paths_file", default=None)
parser.add_argument('matrix_dir')
args = parser.parse_args()
# get args
matrix_dir = args.matrix_dir
fdr_threshold = args.fdr
frac_threshold = args.frac
input_paths_file = args.input_paths_file
metadata_file = args.metadata_file
# check args
bm = BigCountMatrix.open(matrix_dir)
fdr_threshold = max(0.0, min(fdr_threshold, 1.0))
frac_threshold = max(0.0, min(frac_threshold, 1.0))
input_paths = []
if input_paths_file is None:
logging.error('No input directories specified (use -i).. Exiting.')
return 1
if not os.path.exists(input_paths_file):
logging.error('Input paths file "%s" not found' % (input_paths_file))
else:
with open(input_paths_file) as fileh:
for line in fileh:
path = line.strip()
if path in input_paths:
continue
if check_path(path):
input_paths.append(path)
if len(input_paths) == 0:
logging.error('No valid SSEA results directories found.. Exiting.')
return 1
meta = None
if metadata_file is not None:
logging.debug('Parsing transcript metadata')
meta = {}
with open(metadata_file) as f:
meta_header_fields = f.next().strip().split()
for line in f:
fields = line.strip().split('\t')
meta[fields[0]] = fields
logging.debug('Found metadata for %d transcripts' % (len(meta)))
else:
meta = None
meta_header_fields = ['transcript_id']
# parse results
logging.debug('SSEA results: %d' % (len(input_paths)))
logging.debug('FDR threshold: %f' % (fdr_threshold))
logging.debug('Frac threshold: %f' % (frac_threshold))
header_fields = meta_header_fields + ['ss_compname', 'es', 'nes', 'fdr', 'frac', 'prec']
print '\t'.join(header_fields)
for input_path in input_paths:
logging.debug('Parsing path %s' % (input_path))
results_file = os.path.join(input_path, Config.RESULTS_JSON_FILE)
# extract data
ss_compname = os.path.basename(input_path)
i = 0
sig = 0
for res in parse_results(results_file):
# logging
i += 1
if (i % 10000) == 0:
logging.debug('Parsed %d results' % (i))
transcript_id = bm.rownames[res.t_id]
if meta is not None:
if transcript_id not in meta:
continue
if ((res.ss_fdr_q_value <= fdr_threshold) and
(abs(res.ss_frac) >= frac_threshold)):
if meta is None:
fields = [bm.rownames[res.t_id]]
else:
fields = list(meta[transcript_id])
core_size = res.core_hits + res.core_misses
if core_size == 0:
prec = 0.0
else:
prec = res.core_hits / float(res.core_hits + res.core_misses)
fields.extend([ss_compname,
res.es,
res.nes,
res.ss_fdr_q_value,
res.ss_frac,
prec])
print '\t'.join(map(str, fields))
sig += 1
logging.debug('Found %d results for path %s' % (sig, input_path))
bm.close()
def main():
logging.basicConfig(level=logging.DEBUG,
format="%(asctime)s - %(name)s - %(levelname)s - %(message)s")
parser = argparse.ArgumentParser()
parser.add_argument('--fdr', dest='fdr', type=float, default=1.0)
parser.add_argument('-a', '--attr', dest='ssea_attrs', action='append', default=[])
parser.add_argument("-i", dest="input_paths_file", default=None)
parser.add_argument('matrix_dir')
args = parser.parse_args()
# get args
fdr_threshold = args.fdr
matrix_dir = args.matrix_dir
ssea_attrs = args.ssea_attrs
input_paths_file = args.input_paths_file
# check args
if len(ssea_attrs) == 0:
parser.error('Please specify one or more attributes using "-a" or "--attr"')
input_paths = []
if input_paths_file is None:
logging.error('No input directories specified (use -i).. Exiting.')
return 1
if not os.path.exists(input_paths_file):
logging.error('Input paths file "%s" not found' % (input_paths_file))
else:
with open(input_paths_file) as fileh:
for line in fileh:
path = line.strip()
if path in input_paths:
continue
if check_path(path):
input_paths.append(path)
if len(input_paths) == 0:
logging.error('No valid SSEA results directories found.. Exiting.')
return 1
# parse results
logging.debug('SSEA results: %d' % (len(input_paths)))
logging.debug('SSEA attributes: %s' % (','.join(ssea_attrs)))
logging.debug('SSEA FDR threshold: %f' % fdr_threshold)
bm = BigCountMatrix.open(matrix_dir)
dat = collections.defaultdict(lambda: collections.defaultdict(lambda: []))
for input_path in input_paths:
logging.debug('Parsing path %s' % (input_path))
results_file = os.path.join(input_path, Config.RESULTS_JSON_FILE)
# extract data
i = 0
sig = 0
for res in parse_results(results_file):
# logging
i += 1
if (i % 10000) == 0:
logging.debug('Parsed %d results' % (i))
if res.ss_fdr_q_value > fdr_threshold:
continue
sig += 1
transcript_id = bm.rownames[res.t_id]
for a in ssea_attrs:
dat[a][transcript_id].append(getattr(res, a))
logging.debug('Found %d results for path %s (%d significant)' % (i, input_path, sig))
bm.close()
# output results
header_fields = ['transcript_id', 'attr', 'min', 'max', 'absmax', 'mean', 'median']
print '\t'.join(header_fields)
for a in ssea_attrs:
attrdict = dat[a]
for transcript_id in sorted(attrdict):
arr = np.array(attrdict[transcript_id])
fields = [transcript_id, a, np.min(arr), np.max(arr), np.max(np.abs(arr)), np.median(arr), np.mean(arr)]
print '\t'.join(map(str, fields))
def ssea_serial(config,
sample_set,
output_basename,
startrow=None,
endrow=None):
'''
main SSEA loop (single processor)
matrix_dir: numpy memmap matrix containing numeric data
sample_set: SampleSet object
config: Config object
output_basename: prefix for writing result files
'''
# initialize random number generator
rng = RandomState()
# open data matrix
bm = BigCountMatrix.open(config.matrix_dir)
# determine range of matrix to process
if startrow is None:
startrow = 0
if endrow is None:
endrow = bm.shape[0]
assert startrow < endrow
# get membership array for sample set
membership = sample_set.get_array(bm.colnames)
valid_samples = (membership >= 0)
# setup histograms
hists = _init_hists()
# setup report file
unsorted_json_file = output_basename + JSON_UNSORTED_SUFFIX
outfileh = open(unsorted_json_file, 'wb')
for i in xrange(startrow, endrow):
logging.debug("\tRow: %d (%d-%d)" % (i, startrow, endrow))
# read from memmap
counts = np.array(bm.counts[i, :], dtype=np.float)
# remove 'nan' values
valid_inds = np.logical_and(valid_samples, np.isfinite(counts))
# subset counts, size_factors, and membership array
counts = counts[valid_inds]
size_factors = bm.size_factors[valid_inds]
valid_membership = membership[valid_inds]
# write dummy results for invalid rows
if (valid_inds.sum() == 0) or (np.all(counts == 0)):
res = Result.default()
else:
# run ssea
res, null_nes_vals = ssea_run(counts, size_factors,
valid_membership, rng, config)
# update histograms
null_keys = []
obs_keys = []
if res.es < 0:
null_keys.append('null_nes_neg')
obs_keys.append('obs_nes_neg')
elif res.es > 0:
null_keys.append('null_nes_pos')
obs_keys.append('obs_nes_pos')
for k in xrange(len(null_keys)):
null_nes = np.clip(np.fabs(null_nes_vals), NES_MIN, NES_MAX)
obs_nes = np.clip(np.fabs(res.nes), NES_MIN, NES_MAX)
hists[null_keys[k]] += np.histogram(null_nes, NES_BINS)[0]
hists[obs_keys[k]] += np.histogram(obs_nes, NES_BINS)[0]
# save t_id
res.t_id = i
# convert to json and write
print >> outfileh, res.to_json()
# close report file
outfileh.close()
# save histograms to a file
output_hist_file = output_basename + NPY_HISTS_SUFFIX
np.savez(output_hist_file, **hists)
# cleanup
bm.close()
# sort output json file by abs(NES)
logging.debug("Worker %s: sorting results" % (output_basename))
# make tmp dir for sorting
if os.path.exists(output_basename):
shutil.rmtree(output_basename)
os.makedirs(output_basename)
# call batch sort python function
sorted_json_file = output_basename + JSON_SORTED_SUFFIX
batch_sort(input=unsorted_json_file,
output=sorted_json_file,
key=_cmp_json_nes,
buffer_size=SORT_BUFFER_SIZE,
tempdirs=[output_basename])
# remove tmp dir
shutil.rmtree(output_basename)
# remove unsorted json file
os.remove(unsorted_json_file)
logging.debug("Worker %s: done" % (output_basename))
return 0
def main():
# parse command line
parser = argparse.ArgumentParser()
parser.add_argument("matrix_dir")
parser.add_argument("title")
parser.add_argument("library_ids")
parser.add_argument("metadata")
args = parser.parse_args()
logging.basicConfig(level=logging.DEBUG,
format="%(asctime)s - %(name)s - %(levelname)s - %(message)s")
# open matrix
bm = BigCountMatrix.open(args.matrix_dir)
# get pheno data
logging.debug('Reading library metadata')
col_inds = parse_library_table(args.library_ids, bm.colnames)
# get transcript metadata
logging.debug('Reading transcript metadata')
row_inds, lengths = parse_transcript_table(args.metadata, bm.rownames)
bm.count_tots /= 1.0e6
mean_dict = collections.defaultdict(lambda: float('NaN'))
nf_dict = collections.defaultdict(lambda: float('NaN'))
nn_dict = collections.defaultdict(lambda: float('NaN'))
mean_dict_f = collections.defaultdict(lambda: float('NaN'))
nf_dict_f = collections.defaultdict(lambda: float('NaN'))
nn_dict_f = collections.defaultdict(lambda: float('NaN'))
logging.debug('Calculating expression stats')
k = 0
for i,lengthkb in zip(row_inds,lengths):
k+=1
if k%10000 == 0:
logging.debug('Finished %d transcripts' % k)
t_id = bm.rownames[i]
counts = bm.counts[i, col_inds]
# ignore nans
valid_inds = np.isfinite(counts)
# normalize counts
count_vals = (counts[valid_inds] / bm.size_factors[valid_inds])
fpkm_vals = (counts[valid_inds] / (lengthkb*bm.count_tots[valid_inds]))
mean = np.mean(count_vals)
mean_f = np.mean(fpkm_vals)
if list(count_vals) == []:
continue
nf = np.percentile(count_vals, 95)
nf_f = np.percentile(fpkm_vals, 95)
nn = np.percentile(count_vals, 99)
nn_f = np.percentile(fpkm_vals, 99)
mean_dict[t_id] = mean
mean_dict_f[t_id] = mean_f
nf_dict[t_id] = nf
nf_dict_f[t_id] = nf_f
nn_dict[t_id] = nn
nn_dict_f[t_id] = nn_f
logging.debug('Printing output')
meta_fh = open(args.metadata)
meta_header = meta_fh.next().strip().split('\t')
meta_header.append(args.title+'_count_mean')
meta_header.append(args.title+'_count_95')
meta_header.append(args.title+'_count_99')
meta_header.append(args.title+'_fpkm_mean')
meta_header.append(args.title+'_fpkm_95')
meta_header.append(args.title+'_fpkm_99')
print '\t'.join(meta_header)
for line in meta_fh:
line = line.strip().split('\t')
t_id = line[meta_header.index('transcript_id')]
mean = mean_dict[t_id]
mean_f = mean_dict_f[t_id]
nf = nf_dict[t_id]
nf_f = nf_dict_f[t_id]
nn = nn_dict[t_id]
nn_f = nn_dict_f[t_id]
if mean == 'na' or mean_f == 'na':
line.append('na')
line.append("%.3f" % mean)
line.append("%.3f" % nf)
line.append("%.3f" % nn)
line.append("%.3f" % mean_f)
line.append("%.3f" % nf_f)
line.append("%.3f" % nn_f)
print '\t'.join(line)
return 0
def ssea_serial(config, sample_set, output_basename,
startrow=None, endrow=None):
'''
main SSEA loop (single processor)
matrix_dir: numpy memmap matrix containing numeric data
sample_set: SampleSet object
config: Config object
output_basename: prefix for writing result files
'''
# initialize random number generator
rng = RandomState()
# open data matrix
bm = BigCountMatrix.open(config.matrix_dir)
# determine range of matrix to process
if startrow is None:
startrow = 0
if endrow is None:
endrow = bm.shape[0]
assert startrow < endrow
# get membership array for sample set
membership = sample_set.get_array(bm.colnames)
valid_samples = (membership >= 0)
# setup histograms
hists = _init_hists()
# setup report file
unsorted_json_file = output_basename + JSON_UNSORTED_SUFFIX
outfileh = open(unsorted_json_file, 'wb')
for i in xrange(startrow, endrow):
logging.debug("\tRow: %d (%d-%d)" % (i, startrow, endrow))
# read from memmap
counts = np.array(bm.counts[i,:], dtype=np.float)
# remove 'nan' values
valid_inds = np.logical_and(valid_samples, np.isfinite(counts))
# subset counts, size_factors, and membership array
counts = counts[valid_inds]
size_factors = bm.size_factors[valid_inds]
valid_membership = membership[valid_inds]
# write dummy results for invalid rows
if (valid_inds.sum() == 0) or (np.all(counts == 0)):
res = Result.default()
else:
# run ssea
res, null_nes_vals = ssea_run(counts, size_factors,
valid_membership, rng, config)
# update histograms
null_keys = []
obs_keys = []
if res.es < 0:
null_keys.append('null_nes_neg')
obs_keys.append('obs_nes_neg')
elif res.es > 0:
null_keys.append('null_nes_pos')
obs_keys.append('obs_nes_pos')
for k in xrange(len(null_keys)):
null_nes = np.clip(np.fabs(null_nes_vals), NES_MIN, NES_MAX)
obs_nes = np.clip(np.fabs(res.nes), NES_MIN, NES_MAX)
hists[null_keys[k]] += np.histogram(null_nes, NES_BINS)[0]
hists[obs_keys[k]] += np.histogram(obs_nes, NES_BINS)[0]
# save t_id
res.t_id = i
# convert to json and write
print >>outfileh, res.to_json()
# close report file
outfileh.close()
# save histograms to a file
output_hist_file = output_basename + NPY_HISTS_SUFFIX
np.savez(output_hist_file, **hists)
# cleanup
bm.close()
# sort output json file by abs(NES)
logging.debug("Worker %s: sorting results" % (output_basename))
# make tmp dir for sorting
if os.path.exists(output_basename):
shutil.rmtree(output_basename)
os.makedirs(output_basename)
# call batch sort python function
sorted_json_file = output_basename + JSON_SORTED_SUFFIX
batch_sort(input=unsorted_json_file,
output=sorted_json_file,
key=_cmp_json_nes,
buffer_size=SORT_BUFFER_SIZE,
tempdirs=[output_basename])
# remove tmp dir
shutil.rmtree(output_basename)
# remove unsorted json file
os.remove(unsorted_json_file)
logging.debug("Worker %s: done" % (output_basename))
return 0
def main():
# parse command line
parser = argparse.ArgumentParser()
parser.add_argument("library_ids")
parser.add_argument("transcript_ids")
parser.add_argument("output_prefix")
args = parser.parse_args()
logging.basicConfig(level=logging.DEBUG,
format="%(asctime)s - %(name)s - %(levelname)s - %(message)s")
if not os.path.exists(EXPRESSION_DIR):
parser.error("Expression matrix directory '%s' not found" % (args.matrix_dir))
# read input library ids
library_ids = read_lines(args.library_ids)
library_id_set = set(library_ids)
# read input gene ids
gene_ids = read_lines(args.transcript_ids)
gene_id_set = set(gene_ids)
# load gene expression
pheno_file = os.path.join(EXPRESSION_DIR, 'colnames.txt')
metadata_file = os.path.join(EXPRESSION_DIR, 'rownames.txt')
# find libraries
ncols, lib_inds, lib_ids = \
read_table(pheno_file,
subset=library_id_set)
if len(lib_inds) == 0:
print "No libraries found"
return 1
# find genes
logging.info('Acquiring data for %s libraries' % len(lib_ids))
nrows, g_inds, g_ids = \
read_table(metadata_file,
subset=gene_id_set)
if len(g_inds) == 0:
print "No genes found"
return 1
logging.info('Acquiring data for %s transcripts' % len(g_ids))
# read gene expression
bm = BigCountMatrix.open(EXPRESSION_DIR)
mat = bm.counts
# get subset of matrix
logging.info("performing gene subset")
submat = mat[g_inds,:]
logging.info("performing library subset")
submat = submat[:,lib_inds]
# write expr file
output_expr_file = args.output_prefix + ".expr.tsv"
fileh = open(output_expr_file, 'w')
fields = ['gene_id']
fields.extend(lib_ids)
logging.debug('Printing expression file')
print >>fileh, '\t'.join(fields)
for i in xrange(len(g_inds)):
if i%1000==0:
logging.debug("Finished %d/%d transcripts" % (i, len(g_inds)))
fields = [g_ids[i]]
for x in submat[i, :]:
if x<0:
fields.append('NA')
else:
fields.append(str(x))
print >>fileh, '\t'.join(fields)
fileh.close()
return 0
