运行SVM模型出错Error using svmtrain. Y must be a vector or a character array.
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在运行libsvm中的小例子时，出现下面的问题，求解决
>> load heart_scale
>> train=heart_scale_inst;
>> train_label=heart_scale_label;
>> test=train;
>> test_label=train_label;
>> model=svmtrain(train_label,train,'-c 2 -g 0.01');
Error using svmtrain (line 233)
Y must be a vector or a character array.
>> load heart_scale
>> train=heart_scale_inst;
>> train_label=heart_scale_label;
>> test=train;
>> test_label=train_label;
>> model=svmtrain(train_label,train,'-c 2 -g 0.01');
Error using svmtrain (line 233)
Y must be a vector or a character array.
解决方法：
1.点击Matlab左上角的file，选择set path
2.在弹出的选项框中，选择第二个选项And with Subfolders
3.找到你的libsvm文件夹,点确定
4.点击save，关闭set path
OK
1.点击Matlab左上角的file，选择set path
2.在弹出的选项框中，选择第二个选项And with Subfolders
3.找到你的libsvm文件夹,点确定
4.点击save，关闭set path
OK
转载至：http://blog.sina.com.cn/u/2866301622
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