alueError: With n_samples=1, test_size=0.2 and train_size=None, the resulting train set will be
ValueError: With n_samples=1, test_size=0.2 and train_size=None, the resulting train set will be empty.
这个问题是scikit-learn版本较高时出现的问题，sklearn have problems with the version 0.20.0+ of scikt-learn，可以查看下 sklearn的版本
可pip list 查看scikt-learn的版本
可以改为安装较低版本：
Windows: pip uninstall scikit-learn
Linux: sudo python36 -m pip uninstall scikit-learn
and install:
Windows: pip install scikit-learn==0.19.1
Linux: sudo python36 -m pip install scikit-learn==0.19.1
alueError: With n_samples=1, test_size=0.2 and train_size=None, the resulting train set will be相关推荐
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