# Path Configuration from tools.preprocess import * # Processing context trait = "Ovarian_Cancer" cohort = "GSE126308" # Input paths in_trait_dir = "../DATA/GEO/Ovarian_Cancer" in_cohort_dir = "../DATA/GEO/Ovarian_Cancer/GSE126308" # Output paths out_data_file = "./output/preprocess/3/Ovarian_Cancer/GSE126308.csv" out_gene_data_file = "./output/preprocess/3/Ovarian_Cancer/gene_data/GSE126308.csv" out_clinical_data_file = "./output/preprocess/3/Ovarian_Cancer/clinical_data/GSE126308.csv" json_path = "./output/preprocess/3/Ovarian_Cancer/cohort_info.json" # Get file paths for SOFT and matrix files soft_file_path, matrix_file_path = geo_get_relevant_filepaths(in_cohort_dir) # Get background info and clinical data from the matrix file background_info, clinical_data = get_background_and_clinical_data(matrix_file_path) # Create dictionary of unique values for each feature unique_values_dict = get_unique_values_by_row(clinical_data) # Print the information print("Dataset Background Information:") print(background_info) print("\nSample Characteristics:") for feature, values in unique_values_dict.items(): print(f"\n{feature}:") print(values) # Check gene expression data availability # Based on background info mentioning "biomarker study" and no mention of miRNA/methylation is_gene_available = True # Analyze data availability and set up row indices # Trait (disease progression) is in row 3, with binary values early/late trait_row = 3 # Age is not recorded in sample characteristics age_row = None # Gender is recorded in row 0, but only shows "female" # Since all samples are female, gender has no variation and is not useful gender_row = None # Convert functions def convert_trait(x): """Convert disease progression to binary""" if not isinstance(x, str): return None value = x.split(': ')[-1].lower() if 'early' in value: return 1 elif 'late' in value: return 0 return None def convert_age(x): """Placeholder since age data not available""" return None def convert_gender(x): """Placeholder since gender data not available""" return None # Save metadata about data availability is_trait_available = trait_row is not None _ = validate_and_save_cohort_info(is_final=False, cohort=cohort, info_path=json_path, is_gene_available=is_gene_available, is_trait_available=is_trait_available) # Extract clinical features since trait data is available if trait_row is not None: selected_clinical = geo_select_clinical_features( clinical_df=clinical_data, trait=trait, trait_row=trait_row, convert_trait=convert_trait, age_row=age_row, convert_age=convert_age, gender_row=gender_row, convert_gender=convert_gender ) # Preview the processed clinical data print("Preview of processed clinical data:") print(preview_df(selected_clinical)) # Save clinical data selected_clinical.to_csv(out_clinical_data_file) # Extract genetic data matrix genetic_data = get_genetic_data(matrix_file_path) # Print first few rows with column names to examine data structure print("Data preview:") print("\nColumn names:") print(list(genetic_data.columns)[:5]) print("\nFirst 5 rows:") print(genetic_data.head()) print("\nShape:", genetic_data.shape) # Verify this is gene expression data and check identifiers is_gene_available = True # Save updated metadata validate_and_save_cohort_info( is_final=False, cohort=cohort, info_path=json_path, is_gene_available=is_gene_available, is_trait_available=(trait_row is not None) ) # Save gene expression data genetic_data.to_csv(out_gene_data_file) # The identifiers like "2824546_st" are probe IDs from Affymetrix microarray platform # These need to be mapped to human gene symbols for standardization requires_gene_mapping = True # Extract gene annotation data gene_metadata = get_gene_annotation(soft_file_path) # Preview column names and first few values preview = preview_df(gene_metadata) print("\nGene annotation columns and sample values:") print(preview) # Looking at the gene annotation data, we need to map between ID and gene symbols from gene_assignment # Get the mapping between probe IDs and gene symbols mapping_data = get_gene_mapping(gene_metadata, prob_col='ID', gene_col='gene_assignment') # Apply the mapping to convert probe-level data to gene expression data gene_data = apply_gene_mapping(genetic_data, mapping_data) # Preview the gene data print("\nGene expression data preview:") print(preview_df(gene_data)) # 1. Normalize gene symbols and save gene data normalized_gene_data = normalize_gene_symbols_in_index(gene_data) os.makedirs(os.path.dirname(out_gene_data_file), exist_ok=True) normalized_gene_data.to_csv(out_gene_data_file) # 2. Link clinical and genetic data clinical_features = pd.read_csv(out_clinical_data_file, index_col=0) linked_data = geo_link_clinical_genetic_data(clinical_features, normalized_gene_data) # 3. Handle missing values linked_data = handle_missing_values(linked_data, trait) # 4. Judge bias in features and remove biased ones trait_biased, linked_data = judge_and_remove_biased_features(linked_data, trait) # 5. Final validation and save metadata is_usable = validate_and_save_cohort_info( is_final=True, cohort=cohort, info_path=json_path, is_gene_available=is_gene_available, is_trait_available=True, is_biased=trait_biased, df=linked_data, note="Gene expression data comparing ovarian cancer cell lines (HEY, SKOV3) with prostate cancer cell line (PC3), examining miRNA effects on MET." ) # 6. Save linked data if usable if is_usable: os.makedirs(os.path.dirname(out_data_file), exist_ok=True) linked_data.to_csv(out_data_file)