error: (-5:Bad argument) in the case of classification problem the responses must be categorical;
当使用SVM训练模型是出现以下错误:errorTraceback(mostrecentcalllast)in44svm.setC(0.05)45#6,train--->46ret=svm.train(featureArray,cv2.ml.ROW_SAMPLE,labelArray)47#7.检测48alpha=np.zeros((1),np.float32)error:OpenCV(3.4.2)