# Path Configuration from tools.preprocess import * # Processing context trait = "Osteoarthritis" cohort = "GSE142049" # Input paths in_trait_dir = "../DATA/GEO/Osteoarthritis" in_cohort_dir = "../DATA/GEO/Osteoarthritis/GSE142049" # Output paths out_data_file = "./output/preprocess/3/Osteoarthritis/GSE142049.csv" out_gene_data_file = "./output/preprocess/3/Osteoarthritis/gene_data/GSE142049.csv" out_clinical_data_file = "./output/preprocess/3/Osteoarthritis/clinical_data/GSE142049.csv" json_path = "./output/preprocess/3/Osteoarthritis/cohort_info.json" # Get file paths soft_file_path, matrix_file_path = geo_get_relevant_filepaths(in_cohort_dir) # Get background info and clinical data background_info, clinical_data = get_background_and_clinical_data(matrix_file_path) print("Background Information:") print(background_info) print("\nSample Characteristics:") # Get dictionary of unique values per row unique_values_dict = get_unique_values_by_row(clinical_data) for row, values in unique_values_dict.items(): print(f"\n{row}:") print(values) # 1. Gene Expression Data Availability # The background info mentions 'transcriptional data' and RNA isolation, so gene expression data is likely available is_gene_available = True # 2. Variable Availability and Data Type Conversion # 2.1 Data Availability trait_row = 5 # trait data in first_diagnosis age_row = 2 # age data available gender_row = 1 # gender data available # 2.2 Data Type Conversion Functions def convert_trait(value: str) -> int: """Convert trait value to binary: 1 for Osteoarthritis, 0 for others""" if not isinstance(value, str): return None value = value.split(": ")[-1].strip() if value == "Osteoarthritis": return 1 elif value in ["Undifferentiated Spondylo-Arthropathy", "Other Inflammatory Arthritis", "Undifferentiated Inflammatory Arthritis", "Rheumatoid Arthritis", "Crystal Arthritis", "Enteropathic Arthritis", "Psoriatic Arthritis", "Reactive Arthritis", "Non-Inflammatory"]: return 0 return None def convert_age(value: str) -> float: """Convert age value to continuous numeric""" if not isinstance(value, str): return None try: return float(value.split(": ")[-1]) except: return None def convert_gender(value: str) -> int: """Convert gender to binary: 0 for Female, 1 for Male""" if not isinstance(value, str): return None value = value.split(": ")[-1].strip() if value == "F": return 0 elif value == "M": return 1 return None # 3. Save initial metadata 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 ) # 4. Extract clinical features if trait_row is not None: selected_clinical_df = 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 data preview = preview_df(selected_clinical_df) print(f"Preview of clinical data:\n{preview}") # Save to CSV selected_clinical_df.to_csv(out_clinical_data_file) # Get gene expression data from matrix file genetic_data = get_genetic_data(matrix_file_path) # Examine data structure print("Data structure and head:") print(genetic_data.head()) print("\nShape:", genetic_data.shape) print("\nFirst 20 row IDs (gene/probe identifiers):") print(list(genetic_data.index)[:20]) # Get a few column names to verify sample IDs print("\nFirst 5 column names:") print(list(genetic_data.columns)[:5]) # The identifiers start with ILMN_, which indicates these are Illumina probe IDs # rather than standard human gene symbols. These need to be mapped to gene symbols. requires_gene_mapping = True # Extract gene annotation data gene_annotation = get_gene_annotation(soft_file_path) # Display column names and preview data print("Column names:") print(gene_annotation.columns) print("\nPreview of gene annotation data:") print(preview_df(gene_annotation)) # Get mapping between probe IDs and gene symbols mapping_data = get_gene_mapping(gene_annotation, prob_col='ID', gene_col='Symbol') # Apply mapping to convert probe measurements to gene expression data gene_data = apply_gene_mapping(genetic_data, mapping_data) # Display summary info about the gene data print("Gene data shape:", gene_data.shape) print("\nFirst few rows of gene data:") print(gene_data.head()) # Reload clinical data that was processed earlier selected_clinical_df = pd.read_csv(out_clinical_data_file, index_col=0) # 1. Normalize gene symbols genetic_data = normalize_gene_symbols_in_index(gene_data) genetic_data.to_csv(out_gene_data_file) # 2. Link clinical and genetic data linked_data = geo_link_clinical_genetic_data(selected_clinical_df, genetic_data) # 3. Handle missing values systematically linked_data = handle_missing_values(linked_data, trait) # 4. Check for bias in trait and demographic features trait_biased, linked_data = judge_and_remove_biased_features(linked_data, trait) # 5. Final validation and information saving note = "Contains gene expression data with metabolic rate (inferred from multicentric occurrence-free survival days) measurements" is_usable = validate_and_save_cohort_info( is_final=True, cohort=cohort, info_path=json_path, is_gene_available=True, is_trait_available=True, is_biased=trait_biased, df=linked_data, note=note ) # 6. Save linked data only if usable if is_usable: os.makedirs(os.path.dirname(out_data_file), exist_ok=True) linked_data.to_csv(out_data_file)