我正在使用以下代码进行特征重要性计算。
from matplotlib import pyplot as plt
from sklearn import svm
def features_importances(coef, names):
imp = coef
imp,names = zip(*sorted(zip(imp,names)))
plt.barh(range(len(names)), imp, align='center')
plt.yticks(range(len(names)), names)
plt.show()
features_names = ['input1', 'input2']
svm = svm.SVC(kernel='linear')
svm.fit(X, Y)
feature_importances(svm.coef_, features_names)
我如何计算非线性内核的特征重要性,该内核在给定示例中未给出预期结果。