Soly663/Genetic_Algorithm-choosingFeature
0
1# ga_logic.py (pseudo-code)2# This is pseudo-code written to sketch out3# the main algorithm and it's mechenism4 5 6def load_data():7 "Empty function that simulates data being loaded and returned"8 return 1, 29 10 11# Global data setup12 13X, y = load_data()14NUM_FEATURES = X.shape[1]15 16 17def calculate_fitness(chromosome):18 # Takes a binary array 'chromosome'19 # Selects features from X based on the 1s in the chromosome20 # Splits data, trains a LogisticRegression model, returns accuracy_score21 # Optional: Add a penalty for using too many features to encourage smaller solutions22 # fitness = accuracy - (num_selected_features * 0.001)23 pass24 25 26def selection(population, fitness_scores):27 # Pick the best chromosomes to be parents28 pass29 30 31def create_initial_population(size, chromosome_length):32 pass33 34 35# --- Main GA Loop ---36population = create_initial_population(size=100, chromosome_length=NUM_FEATURES)37NUM_GENERATIONS = 50038for generation in range(NUM_GENERATIONS):39 fitness_scores = [calculate_fitness(chromo) for chromo in population]40 41 # Create the next generation42 new_population = []43 for _ in range(len(population)):44 45 46 # Log the best fitness of the generation47 print(f"Generation {generation}: Best Fitness = {max(fitness_scores)}")48 