def get_deltas_for_heat(infmat, index2gene, gene2heat, addtl_genes, num_permutations, test_statistic,
sizes, classic, num_cores):
print "* Performing permuted heat delta selection..."
heat_permutations = permutations.permute_heat(gene2heat, index2gene.values(), num_permutations,
addtl_genes, num_cores)
return get_deltas_from_heat_permutations(infmat, index2gene, heat_permutations, test_statistic,
sizes, classic, num_cores)
def get_deltas_for_heat(
infmat, index2gene, gene2heat, addtl_genes, num_permutations, test_statistic, sizes, classic, num_cores
):
print "* Performing permuted heat delta selection..."
heat_permutations = permutations.permute_heat(
gene2heat, index2gene.values(), num_permutations, addtl_genes, num_cores
)
return get_deltas_from_heat_permutations(
infmat, index2gene, heat_permutations, test_statistic, sizes, classic, num_cores
)
def run(args):
# create output directory if doesn't exist; warn if it exists and is not empty
if not os.path.exists(args.output_directory):
os.makedirs(args.output_directory)
if len(os.listdir(args.output_directory)) > 0:
print(
"WARNING: Output directory is not empty. Any conflicting files will be overwritten. "
"(Ctrl-c to cancel).")
# load data
infmat = hnio.load_infmat(args.infmat_file, args.infmat_name)
full_index2gene = hnio.load_index(args.infmat_index_file)
heat, heat_params = hnio.load_heat_json(args.heat_file)
# compute similarity matrix
sim, index2gene = hn.similarity_matrix(infmat, full_index2gene, heat,
not args.classic)
# only calculate permuted data sets for significance testing once
if args.permutation_type != "none":
if args.permutation_type == "heat":
print "* Generating heat permutations for statistical significance testing"
extra_genes = hnio.load_genes(args.permutation_genes_file) \
if args.permutation_genes_file else None
heat_permutations = p.permute_heat(heat, full_index2gene.values(),
args.num_permutations,
extra_genes, args.num_cores)
elif args.permutation_type == "mutations":
if heat_params["heat_fn"] != "load_mutation_heat":
raise RuntimeError(
"Heat scores must be based on mutation data to perform\
significance testing based on mutation data permutation."
)
print "* Generating mutation permutations for statistical significance testing"
heat_permutations = p.generate_mutation_permutation_heat(
heat_params["heat_fn"],
heat_params["sample_file"], heat_params["gene_file"],
full_index2gene.values(), heat_params["snv_file"],
args.gene_length_file, args.bmr, args.bmr_file,
heat_params["cna_file"], args.gene_order_file,
heat_params["cna_filter_threshold"], heat_params["min_freq"],
args.num_permutations, args.num_cores)
elif args.permutation_type == "network":
pass #nothing to do right now
elif args.permutation_type == "precomputed":
heat_file_paths = [
args.datasets_path.replace(ITERATION_REPLACEMENT_TOKEN, str(i))
for i in range(1, args.num_permutations + 1)
]
heat_permutations = [
hnio.load_heat_tsv(heat_file) for heat_file in heat_file_paths
]
else:
raise ValueError("Unrecognized permutation type %s" %
(args.permutation_type))
for delta in args.deltas:
delta_out_dir = args.output_directory + "/delta_" + str(delta)
if not os.path.isdir(delta_out_dir):
os.mkdir(delta_out_dir)
G = hn.weighted_graph(sim, index2gene, delta, not args.classic)
ccs = hn.connected_components(G, args.min_cc_size)
# calculate significance
if args.permutation_type != "none":
if args.permutation_type == "network":
sizes2stats = calculate_significance_network(
args, args.permuted_networks_path, full_index2gene, G,
heat, delta, args.num_permutations)
else:
sizes2stats = calculate_significance(args, infmat,
full_index2gene, G, delta,
heat_permutations)
#sort ccs list such that genes within components are sorted alphanumerically, and components
#are sorted first by length, then alphanumerically by name of the first gene in the component
ccs = [sorted(cc) for cc in ccs]
ccs.sort(key=lambda comp: comp[0])
ccs.sort(key=len, reverse=True)
#write output
hnio.write_components_as_tsv(
os.path.abspath(delta_out_dir) + "/" + COMPONENTS_TSV, ccs)
args.delta = delta # include delta in parameters section of output JSON
output_dict = {
"parameters": vars(args),
"heat_parameters": heat_params,
"sizes": hn.component_sizes(ccs),
"components": ccs
}
if args.permutation_type != "none":
output_dict["statistics"] = sizes2stats
hnio.write_significance_as_tsv(
os.path.abspath(delta_out_dir) + "/" + SIGNIFICANCE_TSV,
sizes2stats)
json_out = open(
os.path.abspath(delta_out_dir) + "/" + JSON_OUTPUT, 'w')
json.dump(output_dict, json_out, indent=4)
json_out.close()
def run(args):
# create output directory if doesn't exist; warn if it exists and is not empty
if not os.path.exists(args.output_directory):
os.makedirs(args.output_directory)
if len(os.listdir(args.output_directory)) > 0:
print("WARNING: Output directory is not empty. Any conflicting files will be overwritten. "
"(Ctrl-c to cancel).")
# load data
infmat = np.array(scipy.io.loadmat(args.infmat_file)[args.infmat_name])
full_index2gene = hnio.load_index(args.infmat_index_file)
heat, heat_params = hnio.load_heat_json(args.heat_file)
# compute similarity matrix
sim, index2gene = hn.similarity_matrix(infmat, full_index2gene, heat, not args.classic)
# only calculate permuted data sets for significance testing once
if args.permutation_type != "none":
if args.permutation_type == "heat":
print "* Generating heat permutations for statistical significance testing"
extra_genes = hnio.load_genes(args.permutation_genes_file) \
if args.permutation_genes_file else None
heat_permutations = p.permute_heat(heat, full_index2gene.values(),
args.num_permutations, extra_genes, args.num_cores)
elif args.permutation_type == "mutations":
if heat_params["heat_fn"] != "load_mutation_heat":
raise RuntimeError("Heat scores must be based on mutation data to perform\
significance testing based on mutation data permutation.")
print "* Generating mutation permutations for statistical significance testing"
heat_permutations = p.generate_mutation_permutation_heat(
heat_params["heat_fn"], heat_params["sample_file"],
heat_params["gene_file"], full_index2gene.values(),
heat_params["snv_file"], args.gene_length_file, args.bmr,
args.bmr_file, heat_params["cna_file"], args.gene_order_file,
heat_params["cna_filter_threshold"], heat_params["min_freq"],
args.num_permutations, args.num_cores)
elif args.permutation_type == "network":
pass #nothing to do right now
elif args.permutation_type == "precomputed":
heat_file_paths = [args.datasets_path.replace(ITERATION_REPLACEMENT_TOKEN, str(i))
for i in range(1, args.num_permutations+1)]
heat_permutations = [hnio.load_heat_tsv(heat_file) for heat_file in heat_file_paths]
else:
raise ValueError("Unrecognized permutation type %s" % (args.permutation_type))
for delta in args.deltas:
delta_out_dir = args.output_directory + "/delta_" + str(delta)
if not os.path.isdir(delta_out_dir):
os.mkdir(delta_out_dir)
G = hn.weighted_graph(sim, index2gene, delta, not args.classic)
ccs = hn.connected_components(G, args.min_cc_size)
# calculate significance
if args.permutation_type != "none":
if args.permutation_type == "network":
sizes2stats = calculate_significance_network(args, args.permuted_networks_path,
full_index2gene, G, heat, delta,
args.num_permutations)
else:
sizes2stats = calculate_significance(args, infmat, full_index2gene, G, delta,
heat_permutations)
#sort ccs list such that genes within components are sorted alphanumerically, and components
#are sorted first by length, then alphanumerically by name of the first gene in the component
ccs = [sorted(cc) for cc in ccs]
ccs.sort(key=lambda comp: comp[0])
ccs.sort(key=len, reverse=True)
#write output
hnio.write_components_as_tsv(os.path.abspath(delta_out_dir) + "/" + COMPONENTS_TSV, ccs)
args.delta = delta # include delta in parameters section of output JSON
output_dict = {"parameters": vars(args), "heat_parameters": heat_params,
"sizes": hn.component_sizes(ccs), "components": ccs}
if args.permutation_type != "none":
output_dict["statistics"] = sizes2stats
hnio.write_significance_as_tsv(os.path.abspath(delta_out_dir) + "/" + SIGNIFICANCE_TSV,
sizes2stats)
json_out = open(os.path.abspath(delta_out_dir) + "/" + JSON_OUTPUT, 'w')
json.dump(output_dict, json_out, indent=4)
json_out.close()
def run(args):
# create output directory if doesn't exist; warn if it exists and is not empty
if not os.path.exists(args.output_directory):
os.makedirs(args.output_directory)
if len(os.listdir(args.output_directory)) > 0:
print("WARNING: Output directory is not empty. Any conflicting files will be overwritten. "
"(Ctrl-c to cancel).")
infmat = scipy.io.loadmat(args.infmat_file)[INFMAT_NAME]
infmat_index = hnio.load_index(args.infmat_index_file)
heat = hnio.load_heat_tsv(args.heat_file)
# filter out genes with heat score less than min_heat_score
heat, addtl_genes, args.min_heat_score = hnheat.filter_heat(heat, args.min_heat_score)
# find smallest delta
deltas = ft.get_deltas_for_network(args.permuted_networks_path, heat, INFMAT_NAME,
infmat_index, MAX_CC_SIZES,
args.num_permutations, args.parallel)
# and run HotNet with the median delta for each size
run_deltas = [np.median(deltas[size]) for size in deltas]
M, gene_index = hn.induce_infmat(infmat, infmat_index, sorted(heat.keys()))
h = hn.heat_vec(heat, gene_index)
sim = hn.similarity_matrix(M, h)
# load interaction network edges and determine location of static HTML files for visualization
edges = hnio.load_ppi_edges(args.edge_file) if args.edge_file else None
index_file = '%s/viz_files/%s' % (hotnet2.__file__.rsplit('/', 1)[0], VIZ_INDEX)
subnetworks_file = '%s/viz_files/%s' % (hotnet2.__file__.rsplit('/', 1)[0], VIZ_SUBNETWORKS)
gene2index = dict([(gene, index) for index, gene in infmat_index.iteritems()])
for delta in run_deltas:
# create output directory
delta_out_dir = args.output_directory + "/delta_" + str(delta)
if not os.path.isdir(delta_out_dir):
os.mkdir(delta_out_dir)
# find connected components
G = hn.weighted_graph(sim, gene_index, delta)
ccs = hn.connected_components(G, args.min_cc_size)
# calculate significance (using all genes with heat scores)
print "* Performing permuted heat statistical significance..."
heat_permutations = p.permute_heat(heat, args.num_permutations, addtl_genes, args.parallel)
sizes = range(2, 11)
print "\t- Using no. of components >= k (k \\in",
print "[%s, %s]) as statistic" % (min(sizes), max(sizes))
sizes2counts = stats.calculate_permuted_cc_counts(infmat, infmat_index, heat_permutations,
delta, sizes, args.parallel)
real_counts = stats.num_components_min_size(G, sizes)
size2real_counts = dict(zip(sizes, real_counts))
sizes2stats = stats.compute_statistics(size2real_counts, sizes2counts, args.num_permutations)
# sort ccs list such that genes within components are sorted alphanumerically, and components
# are sorted first by length, then alphanumerically by name of the first gene in the component
ccs = [sorted(cc) for cc in ccs]
ccs.sort(key=lambda comp: comp[0])
ccs.sort(key=len, reverse=True)
# write output
heat_dict = {"heat": heat, "parameters": {"heat_file": args.heat_file}}
heat_out = open(os.path.abspath(delta_out_dir) + "/" + HEAT_JSON, 'w')
json.dump(heat_dict, heat_out, indent=4)
heat_out.close()
args.heat_file = os.path.abspath(delta_out_dir) + "/" + HEAT_JSON
args.delta = delta
output_dict = {"parameters": vars(args), "sizes": hn.component_sizes(ccs),
"components": ccs, "statistics": sizes2stats}
hnio.write_significance_as_tsv(os.path.abspath(delta_out_dir) + "/" + SIGNIFICANCE_TSV,
sizes2stats)
json_out = open(os.path.abspath(delta_out_dir) + "/" + JSON_OUTPUT, 'w')
json.dump(output_dict, json_out, indent=4)
json_out.close()
hnio.write_components_as_tsv(os.path.abspath(delta_out_dir) + "/" + COMPONENTS_TSV, ccs)
# write visualization output if edge file given
if args.edge_file:
viz_data = {"delta": delta, 'subnetworks': list()}
for cc in ccs:
viz_data['subnetworks'].append(viz.get_component_json(cc, heat, edges, gene2index,
args.network_name))
delta_viz_dir = '%s/viz/delta%s' % (args.output_directory, delta)
if not os.path.isdir(delta_viz_dir):
os.makedirs(delta_viz_dir)
viz_out = open('%s/subnetworks.json' % delta_viz_dir, 'w')
json.dump(viz_data, viz_out, indent=4)
viz_out.close()
shutil.copy(subnetworks_file, delta_viz_dir)
if args.edge_file:
viz.write_index_file(index_file, '%s/viz/%s' % (args.output_directory, VIZ_INDEX), run_deltas)
def run(args):
# create output directory if doesn't exist; warn if it exists and is not empty
if not os.path.exists(args.output_directory):
os.makedirs(args.output_directory)
if len(os.listdir(args.output_directory)) > 0:
print("WARNING: Output directory is not empty. Any conflicting files will be overwritten. "
"(Ctrl-c to cancel).")
# load data
infmat = scipy.io.loadmat(args.infmat_file)[args.infmat_name]
infmat_index = hnio.load_index(args.infmat_index_file)
heat, heat_params = hnio.load_heat_json(args.heat_file)
# compute similarity matrix and extract connected components
M, gene_index = hn.induce_infmat(infmat, infmat_index, sorted(heat.keys()))
h = hn.heat_vec(heat, gene_index)
sim = hn.similarity_matrix(M, h)
# only calculate permuted data sets for significance testing once
if args.permutation_type != "none":
if args.permutation_type == "heat":
print "* Generating heat permutations for statistical significance testing"
extra_genes = hnio.load_genes(args.permutation_genes_file) if args.permutation_genes_file \
else None
heat_permutations = permutations.permute_heat(heat, args.num_permutations, extra_genes,
args.parallel)
elif args.permutation_type == "precomputed":
heat_file_paths = [args.datasets_path.replace(ITERATION_REPLACEMENT_TOKEN, str(i))
for i in range(1, args.num_permutations+1)]
heat_permutations = [hnio.load_heat_tsv(heat_file) for heat_file in heat_file_paths]
else:
raise ValueError("Unrecognized permutation type %s" % (args.permutation_type))
for delta in args.deltas:
delta_out_dir = args.output_directory + "/delta_" + str(delta)
if not os.path.isdir(delta_out_dir):
os.mkdir(delta_out_dir)
G = hn.weighted_graph(sim, gene_index, delta)
ccs = hn.connected_components(G, args.min_cc_size)
# calculate significance
if args.permutation_type != "none":
sizes2stats = calculate_significance(args, infmat, infmat_index, G, delta, heat_permutations)
#sort ccs list such that genes within components are sorted alphanumerically, and components
#are sorted first by length, then alphanumerically by name of the first gene in the component
ccs = [sorted(cc) for cc in ccs]
ccs.sort(key=lambda comp: comp[0])
ccs.sort(key=len, reverse=True)
#write output
hnio.write_components_as_tsv(os.path.abspath(delta_out_dir) + "/" + COMPONENTS_TSV, ccs)
args.delta = delta
output_dict = {"parameters": vars(args), "heat_parameters": heat_params,
"sizes": hn.component_sizes(ccs), "components": ccs}
if args.permutation_type != "none":
output_dict["statistics"] = sizes2stats
hnio.write_significance_as_tsv(os.path.abspath(delta_out_dir) + "/" + SIGNIFICANCE_TSV,
sizes2stats)
json_out = open(os.path.abspath(delta_out_dir) + "/" + JSON_OUTPUT, 'w')
json.dump(output_dict, json_out, indent=4)
json_out.close()
