Dealing with the nonlinearly separable case using slack variables
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1. Train a SVM model :
from sklearn.svm import SVCsvm = SVC(kernel='linear', C=1.0, random_state=0)svm.fit(X_train_std, y_train)plot_decision_regions(X_combined_std, y_combined, classifier=svm, test_idx=range(105, 150))
2. Showing :
plt.xlabel('petal length [standardized]')plt.ylabel('petal width [standardized]')plt.legend(loc='upper left')plt.show()
3. Results:
Reference: 《Python Machine Learning》
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