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()