---------------------------------------------------------------------------
NameError???Traceback?(most?recent?call?last)
<ipython-input-27-09489cf34698>?in?<module>()
---->?
1???????plot_decision_regions(X,?y,?resolution=0.02)
<ipython-input-26-4a04ed7daaaa>?in?plot_decision_regions(X,?y,?resolution)?????
11????np.arange(x2_min,?x2_max,?resolution))?????
12????--->?
13????z?=?classifier.predict(np.array([xx1.ravel(),?xx2.ravel()]).T)?????
14????print(xx1.ravel())?
15????print(xx2.ravel())NameError:?name?'classifier'?is?not?defined
2017-10-20
你看下你的classifier在函數plot_decision_regions(X,?y,?resolution=0.02)沒有定義吧，肯定報錯。?
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