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import numpy as np | ||
from sklearn.ensemble import RandomForestClassifier | ||
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class CybersecuritySystem: | ||
def __init__(self, num_features): | ||
self.num_features = num_features | ||
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def create_machine_learning_model(self): | ||
""" | ||
Create a machine learning model using Scikit-learn. | ||
Returns: | ||
RandomForestClassifier: The created machine learning model. | ||
""" | ||
model = RandomForestClassifier(n_estimators=100, random_state=42) | ||
return model | ||
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def train_machine_learning_model(self, model, X_train, y_train): | ||
""" | ||
Train a machine learning model using Scikit-learn. | ||
Args: | ||
model (RandomForestClassifier): The machine learning model to train. | ||
X_train (numpy array): The training input data. | ||
y_train (numpy array): The training output data. | ||
""" | ||
model.fit(X_train, y_train) | ||
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def use_machine_learning_model(self, model, input_data): | ||
""" | ||
Use a trained machine learning model to make predictions. | ||
Args: | ||
model (RandomForestClassifier): The trained machine learning model. | ||
input_data (numpy array): The input data to make predictions on. | ||
Returns: | ||
numpy array: The predicted output data. | ||
""" | ||
predictions = model.predict(input_data) | ||
return predictions | ||
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def optimize_machine_learning_model(self, model, X_train, y_train): | ||
""" | ||
Optimize a machine learning model using a genetic algorithm. | ||
Args: | ||
model (RandomForestClassifier): The machine learning model to optimize. | ||
X_train (numpy array): The training input data. | ||
y_train (numpy array): The training output data. | ||
""" | ||
from scipy.optimize import differential_evolution | ||
def objective_function(params): | ||
model.set_params(**params) | ||
score = model.score(X_train, y_train) | ||
return -score | ||
bounds = [(1, 100) for _ in range(5)] # n_estimators, max_depth, min_samples_split, min_samples_leaf, max_features | ||
result = differential_evolution(objective_function, bounds) | ||
optimized_params = result.x | ||
model.set_params(**optimized_params) | ||
return model |