svmtrain princomp 出现的问题

错误一:

>> modelw = svmstrain(wine_label,wine_data);

Undefined function 'svmstrain' for input arguments of type

'double'.  (错误原因-->svmtain打错为svmstrain)

错误二:

>> load heart_scale

Error using load

Unable to read file 'heart_scale': no such file or directory.

我前天安装的时候,这条语句还正常,怎么今天用,就出来这么个错误呢

>> modelw = svmtrain(wine_label,wine_data);
Error using svmtrain (line 233)
Y must be a vector or a character array.

这是因为libsvm的路径未设置正确
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

posted @ 2014-04-16 19:45  止战  阅读(644)  评论(0编辑  收藏  举报