# Path Configuration from tools.preprocess import * # Processing context trait = "Asthma" cohort = "GSE185658" # Input paths in_trait_dir = "../DATA/GEO/Asthma" in_cohort_dir = "../DATA/GEO/Asthma/GSE185658" # Output paths out_data_file = "./output/z1/preprocess/Asthma/GSE185658.csv" out_gene_data_file = "./output/z1/preprocess/Asthma/gene_data/GSE185658.csv" out_clinical_data_file = "./output/z1/preprocess/Asthma/clinical_data/GSE185658.csv" json_path = "./output/z1/preprocess/Asthma/cohort_info.json" # Step 1: Initial Data Loading from tools.preprocess import * # 1. Identify the paths to the SOFT file and the matrix file soft_file, matrix_file = geo_get_relevant_filepaths(in_cohort_dir) # 2. Read the matrix file to obtain background information and sample characteristics data background_prefixes = ['!Series_title', '!Series_summary', '!Series_overall_design'] clinical_prefixes = ['!Sample_geo_accession', '!Sample_characteristics_ch1'] background_info, clinical_data = get_background_and_clinical_data(matrix_file, background_prefixes, clinical_prefixes) # 3. Obtain the sample characteristics dictionary from the clinical dataframe sample_characteristics_dict = get_unique_values_by_row(clinical_data) # 4. Explicitly print out all the background information and the sample characteristics dictionary print("Background Information:") print(background_info) print("Sample Characteristics Dictionary:") print(sample_characteristics_dict) # Step 2: Dataset Analysis and Clinical Feature Extraction import re import os from typing import Any # 1. Gene Expression Data Availability is_gene_available = True # Affymetrix microarray gene expression per background info # 2. Variable Availability and Data Type Conversion # Based on the sample characteristics: # {0: ['time: DAY14', 'time: DAY4'], # 1: ['group: AsthmaHDM', 'group: Healthy', 'group: AsthmaHDMNeg'], # 2: ['donor: DJ...']} trait_row = 1 # 'group' field indicates asthma status (patients vs healthy controls) age_row = None gender_row = None def _after_colon(value: Any) -> str: if value is None: return "" s = str(value) parts = s.split(":", 1) v = parts[1] if len(parts) > 1 else parts[0] return v.strip() def convert_trait(value): v = _after_colon(value).strip().lower() # normalize to alphanumerics only to catch variants like "asthma-hdm", "asthma_hdm" v_norm = re.sub(r"[^a-z0-9]+", "", v) if v_norm in {"healthy", "control", "ctrl"}: return 0 # Treat both AsthmaHDM and AsthmaHDMNeg as asthma cases if v_norm in {"asthma", "asthmahdm", "asthmahdmneg"}: return 1 # Fallback heuristics if "asthma" in v_norm: return 1 if "healthy" in v_norm or "control" in v_norm or v_norm == "ctrl": return 0 return None def convert_age(value): v = _after_colon(value).lower() nums = re.findall(r"[0-9]+(?:\.[0-9]+)?", v) if not nums: return None try: age = float(nums[0]) if age <= 0 or age > 120: return None return age except Exception: return None def convert_gender(value): v = _after_colon(value).strip().lower() if v in {"female", "f", "woman", "girl"}: return 0 if v in {"male", "m", "man", "boy"}: return 1 return None # 3. Save Metadata (initial filtering) 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. Clinical Feature Extraction (only if clinical data available) 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 ) preview = preview_df(selected_clinical_df) print(preview) # Save os.makedirs(os.path.dirname(out_clinical_data_file), exist_ok=True) selected_clinical_df.to_csv(out_clinical_data_file) # Step 3: Gene Data Extraction # 1. Use the get_genetic_data function from the library to get the gene_data from the matrix_file previously defined. gene_data = get_genetic_data(matrix_file) # 2. Print the first 20 row IDs (gene or probe identifiers) for future observation. print(gene_data.index[:20]) # Step 4: Gene Identifier Review print("requires_gene_mapping = True") # Step 5: Gene Annotation # 1. Use the 'get_gene_annotation' function from the library to get gene annotation data from the SOFT file. gene_annotation = get_gene_annotation(soft_file) # 2. Use the 'preview_df' function from the library to preview the data and print out the results. print("Gene annotation preview:") print(preview_df(gene_annotation)) # Step 6: Gene Identifier Mapping # Determine the appropriate columns for mapping: 'ID' (probe IDs) and 'gene_assignment' (contains gene symbols) prob_col = 'ID' gene_col = 'gene_assignment' # 1-2. Build the mapping dataframe from the annotation mapping_df = get_gene_mapping(gene_annotation, prob_col=prob_col, gene_col=gene_col) # 3. Apply the mapping to convert probe-level data to gene-level data probe_data = gene_data # keep original probe-level data gene_data = apply_gene_mapping(probe_data, mapping_df) # Step 7: Data Normalization and Linking import os # 1. Normalize gene symbols and save 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 linked_data = geo_link_clinical_genetic_data(selected_clinical_df, normalized_gene_data) # 3. Handle missing values linked_data = handle_missing_values(linked_data, trait) # 4. Assess bias and drop biased covariates if necessary is_trait_biased, unbiased_linked_data = judge_and_remove_biased_features(linked_data, trait) # 5. Final quality validation and save cohort info note = ("INFO: Trait inferred from 'group' field; Age/Gender not available. " "Affymetrix probe data mapped via 'gene_assignment' and normalized with NCBI synonyms.") 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=is_trait_biased, df=unbiased_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) unbiased_linked_data.to_csv(out_data_file)