南非金融界人工智能系統嘅法律責任

AI問責追蹤嘅Python實現

import numpy as np
import pandas as pd
from sklearn.ensemble import RandomForestClassifier
from sklearn.inspection import permutation_importance

class AIAccountabilityTracker:
    def __init__(self, model, feature_names):
        self.model = model
        self.feature_names = feature_names
        self.decision_log = []
    
    def log_decision(self, X, y_pred, confidence_scores):
        """記錄AI決策用於問責追蹤"""
        decision_record = {
            'timestamp': pd.Timestamp.now(),
            'input_features': X.tolist(),
            'prediction': y_pred,
            'confidence': confidence_scores,
            'feature_importance': self._calculate_feature_importance(X)
        }
        self.decision_log.append(decision_record)
    
    def _calculate_feature_importance(self, X):
        """計算特徵重要性用於模型可解釋性"""
        result = permutation_importance(
            self.model, X, 
            n_repeats=10, random_state=42
        )
        return dict(zip(self.feature_names, result.importances_mean))