03_Sklearn installation

1.Scikit-learn library Description: contains many well-known machine learning algorithms to achieve, documents, sound, easy to use, rich API.

2. Install: Create a virtual environment based on the Python3 (can the existing virtual environment): mkvirtualenv -p /usr/bin/python3.5 ml3

　　　　Ubuntu running in a virtual environment in the following order: pip install Scikit-learn

　　　　And then see whether you can use the Import command by:

　　　　import sklearn

　　　　Note: Installing scikit-learn need Numpy, pandas and other library